20719229440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 640

約数和(自身を含む): 66875719680

約数和(自身を除く): 46156490240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 31, 32, 35, 38, 40, 52, 56, 62, 64, 65, 70, 76, 80, 91, 95, 104, 112, 124, 128, 130, 133, 140, 151, 152, 155, 160, 182, 190, 208, 217, 224, 247, 248, 256, 260, 266, 280, 302, 304, 310, 320, 364, 380, 403, 416, 434, 448, 455, 494, 496, 512, 520, 532, 560, 589, 604, 608, 620, 640, 665, 728, 755, 760, 806, 832, 868, 896, 910, 988, 992, 1040, 1057, 1064, 1085, 1120, 1178, 1208, 1216, 1235, 1240, 1280, 1330, 1456, 1510, 1520, 1612, 1664, 1729, 1736, 1792, 1820, 1963, 1976, 1984, 2015, 2080, 2114, 2128, 2170, 2240, 2356, 2416, 2432, 2470, 2480, 2560, 2660, 2821, 2869, 2912, 2945, 3020, 3040, 3224, 3328, 3458, 3472, 3584, 3640, 3926, 3952, 3968, 4030, 4123, 4160, 4228, 4256, 4340, 4480, 4681, 4712, 4832, 4864, 4940, 4960, 5285, 5320, 5642, 5738, 5824, 5890, 6040, 6080, 6448, 6656, 6916, 6944, 7280, 7657, 7852, 7904, 7936, 8060, 8246, 8320, 8456, 8512, 8645, 8680, 8960, 9362, 9424, 9664, 9728, 9815, 9880, 9920, 10570, 10640, 11284, 11476, 11648, 11780, 12080, 12160, 12896, 13741, 13832, 13888, 14105, 14345, 14560, 15314, 15704, 15808, 15872, 16120, 16492, 16640, 16912, 17024, 17290, 17360, 17920, 18724, 18848, 19328, 19630, 19760, 19840, 20083, 20615, 21140, 21280, 22568, 22952, 23296, 23405, 23560, 24160, 24320, 25792, 27482, 27664, 27776, 28210, 28690, 29120, 30628, 31408, 31616, 32240, 32767, 32984, 33280, 33824, 34048, 34580, 34720, 37297, 37448, 37696, 38285, 38656, 39260, 39520, 39680, 40166, 41230, 42280, 42560, 45136, 45904, 46592, 46810, 47120, 48320, 48640, 51584, 53599, 54964, 55328, 55552, 56420, 57380, 58240, 60853, 61256, 62816, 63232, 64480, 65534, 65968, 67648, 68096, 68705, 69160, 69440, 74594, 74896, 75392, 76570, 77312, 78520, 79040, 79360, 80332, 82460, 84560, 85120, 88939, 90272, 91808, 93620, 94240, 96640, 100415, 103168, 107198, 109928, 110656, 111104, 112840, 114760, 116480, 121706, 122512, 125632, 126464, 128960, 131068, 131936, 135296, 137410, 138320, 138880, 149188, 149792, 150784, 153140, 157040, 158080, 160664, 163835, 164920, 169120, 170240, 177878, 180544, 183616, 186485, 187240, 188480, 193280, 200830, 206336, 214396, 219856, 221312, 225680, 229520, 232960, 243412, 245024, 251264, 257920, 261079, 262136, 263872, 267995, 270592, 274820, 276640, 277760, 298376, 299584, 301568, 304265, 306280, 314080, 316160, 321328, 327670, 329840, 338240, 340480, 355756, 361088, 367232, 372970, 374480, 376960, 386560, 401660, 425971, 428792, 439712, 442624, 444695, 451360, 459040, 486824, 490048, 502528, 515840, 522158, 524272, 527744, 535990, 541184, 549640, 553280, 555520, 596752, 599168, 608530, 612560, 622573, 628160, 632320, 642656, 655340, 659680, 676480, 711512, 722176, 734464, 745940, 748960, 753920, 803320, 851942, 857584, 879424, 885248, 889390, 902720, 918080, 973648, 980096, 1005056, 1031680, 1044316, 1048544, 1055488, 1071980, 1099280, 1106560, 1156207, 1193504, 1198336, 1217060, 1225120, 1245146, 1256320, 1285312, 1305395, 1310680, 1319360, 1352960, 1423024, 1444352, 1468928, 1491880, 1497920, 1507840, 1606640, 1703884, 1715168, 1758848, 1778780, 1805440, 1836160, 1947296, 1960192, 2088632, 2097088, 2110976, 2129855, 2143960, 2198560, 2213120, 2312414, 2387008, 2396672, 2434120, 2450240, 2490292, 2512640, 2570624, 2610790, 2621360, 2638720, 2705920, 2846048, 2983760, 2995840, 3112865, 3213280, 3407768, 3430336, 3517696, 3557560, 3610880, 3672320, 3894592, 3920384, 4177264, 4194176, 4259710, 4287920, 4397120, 4426240, 4624828, 4774016, 4868240, 4900480, 4980584, 5025280, 5141248, 5221580, 5242720, 5277440, 5692096, 5781035, 5967520, 5991680, 6225730, 6426560, 6815536, 6860672, 7035392, 7115120, 7221760, 7344640, 7789184, 8093449, 8354528, 8388352, 8519420, 8575840, 8794240, 9249656, 9548032, 9736480, 9800960, 9961168, 10282496, 10443160, 10485440, 10554880, 11384192, 11562070, 11935040, 11983360, 12451460, 12853120, 13631072, 13721344, 14230240, 15578368, 16186898, 16709056, 16776704, 17038840, 17151680, 17588480, 18499312, 19096064, 19472960, 19601920, 19922336, 20886320, 20970880, 22768384, 23124140, 23870080, 24902920, 25706240, 27262144, 27442688, 28460480, 31156736, 32373796, 33418112, 34077680, 34303360, 35176960, 36998624, 38945920, 39844672, 40467245, 41772640, 41941760, 45536768, 46248280, 47740160, 49805840, 51412480, 54524288, 56920960, 64747592, 66836224, 68155360, 68606720, 73997248, 77891840, 79689344, 80934490, 83545280, 83883520, 92496560, 95480320, 99611680, 109048576, 113841920, 129495184, 133672448, 136310720, 137213440, 147994496, 155783680, 159378688, 161868980, 167090560, 184993120, 199223360, 218097152, 227683840, 258990368, 272621440, 295988992, 318757376, 323737960, 334181120, 369986240, 398446720, 517980736, 545242880, 591977984, 647475920, 668362240, 739972480, 796893440, 1035961472, 1090485760, 1294951840, 1479944960, 1593786880, 2071922944, 2589903680, 2959889920, 4143845888, 5179807360, 10359614720, 20719229440]

約数ペア:

[(1, 20719229440), (2, 10359614720), (4, 5179807360), (5, 4143845888), (7, 2959889920), (8, 2589903680), (10, 2071922944), (13, 1593786880), (14, 1479944960), (16, 1294951840), (19, 1090485760), (20, 1035961472), (26, 796893440), (28, 739972480), (31, 668362240), (32, 647475920), (35, 591977984), (38, 545242880), (40, 517980736), (52, 398446720), (56, 369986240), (62, 334181120), (64, 323737960), (65, 318757376), (70, 295988992), (76, 272621440), (80, 258990368), (91, 227683840), (95, 218097152), (104, 199223360), (112, 184993120), (124, 167090560), (128, 161868980), (130, 159378688), (133, 155783680), (140, 147994496), (151, 137213440), (152, 136310720), (155, 133672448), (160, 129495184), (182, 113841920), (190, 109048576), (208, 99611680), (217, 95480320), (224, 92496560), (247, 83883520), (248, 83545280), (256, 80934490), (260, 79689344), (266, 77891840), (280, 73997248), (302, 68606720), (304, 68155360), (310, 66836224), (320, 64747592), (364, 56920960), (380, 54524288), (403, 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8794240), (2416, 8575840), (2432, 8519420), (2470, 8388352), (2480, 8354528), (2560, 8093449), (2660, 7789184), (2821, 7344640), (2869, 7221760), (2912, 7115120), (2945, 7035392), (3020, 6860672), (3040, 6815536), (3224, 6426560), (3328, 6225730), (3458, 5991680), (3472, 5967520), (3584, 5781035), (3640, 5692096), (3926, 5277440), (3952, 5242720), (3968, 5221580), (4030, 5141248), (4123, 5025280), (4160, 4980584), (4228, 4900480), (4256, 4868240), (4340, 4774016), (4480, 4624828), (4681, 4426240), (4712, 4397120), (4832, 4287920), (4864, 4259710), (4940, 4194176), (4960, 4177264), (5285, 3920384), (5320, 3894592), (5642, 3672320), (5738, 3610880), (5824, 3557560), (5890, 3517696), (6040, 3430336), (6080, 3407768), (6448, 3213280), (6656, 3112865), (6916, 2995840), (6944, 2983760), (7280, 2846048), (7657, 2705920), (7852, 2638720), (7904, 2621360), (7936, 2610790), (8060, 2570624), (8246, 2512640), (8320, 2490292), (8456, 2450240), (8512, 2434120), (8645, 2396672), (8680, 2387008), (8960, 2312414), (9362, 2213120), (9424, 2198560), (9664, 2143960), (9728, 2129855), (9815, 2110976), (9880, 2097088), (9920, 2088632), (10570, 1960192), (10640, 1947296), (11284, 1836160), (11476, 1805440), (11648, 1778780), (11780, 1758848), (12080, 1715168), (12160, 1703884), (12896, 1606640), (13741, 1507840), (13832, 1497920), (13888, 1491880), (14105, 1468928), (14345, 1444352), (14560, 1423024), (15314, 1352960), (15704, 1319360), (15808, 1310680), (15872, 1305395), (16120, 1285312), (16492, 1256320), (16640, 1245146), (16912, 1225120), (17024, 1217060), (17290, 1198336), (17360, 1193504), (17920, 1156207), (18724, 1106560), (18848, 1099280), (19328, 1071980), (19630, 1055488), (19760, 1048544), (19840, 1044316), (20083, 1031680), (20615, 1005056), (21140, 980096), (21280, 973648), (22568, 918080), (22952, 902720), (23296, 889390), (23405, 885248), (23560, 879424), (24160, 857584), (24320, 851942), (25792, 803320), (27482, 753920), (27664, 748960), (27776, 745940), (28210, 734464), (28690, 722176), (29120, 711512), (30628, 676480), (31408, 659680), (31616, 655340), (32240, 642656), (32767, 632320), (32984, 628160), (33280, 622573), (33824, 612560), (34048, 608530), (34580, 599168), (34720, 596752), (37297, 555520), (37448, 553280), (37696, 549640), (38285, 541184), (38656, 535990), (39260, 527744), (39520, 524272), (39680, 522158), (40166, 515840), (41230, 502528), (42280, 490048), (42560, 486824), (45136, 459040), (45904, 451360), (46592, 444695), (46810, 442624), (47120, 439712), (48320, 428792), (48640, 425971), (51584, 401660), (53599, 386560), (54964, 376960), (55328, 374480), (55552, 372970), (56420, 367232), (57380, 361088), (58240, 355756), (60853, 340480), (61256, 338240), (62816, 329840), (63232, 327670), (64480, 321328), (65534, 316160), (65968, 314080), (67648, 306280), (68096, 304265), (68705, 301568), (69160, 299584), (69440, 298376), (74594, 277760), (74896, 276640), (75392, 274820), (76570, 270592), (77312, 267995), (78520, 263872), 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