257231022720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{13799}}^1$

素因数の和:13920

約数の個数: 512

約数和(自身を含む): 999959040000

約数和(自身を除く): 742728017280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 73, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 146, 152, 160, 168, 190, 192, 210, 219, 224, 228, 240, 266, 280, 285, 292, 304, 320, 336, 365, 380, 384, 399, 420, 438, 448, 456, 480, 511, 532, 560, 570, 584, 608, 640, 665, 672, 730, 760, 798, 840, 876, 896, 912, 960, 1022, 1064, 1095, 1120, 1140, 1168, 1216, 1330, 1344, 1387, 1460, 1520, 1533, 1596, 1680, 1752, 1824, 1920, 1995, 2044, 2128, 2190, 2240, 2280, 2336, 2432, 2555, 2660, 2688, 2774, 2920, 3040, 3066, 3192, 3360, 3504, 3648, 3990, 4088, 4161, 4256, 4380, 4480, 4560, 4672, 5110, 5320, 5548, 5840, 6080, 6132, 6384, 6720, 6935, 7008, 7296, 7665, 7980, 8176, 8322, 8512, 8760, 9120, 9344, 9709, 10220, 10640, 11096, 11680, 12160, 12264, 12768, 13440, 13799, 13870, 14016, 15330, 15960, 16352, 16644, 17024, 17520, 18240, 19418, 20440, 20805, 21280, 22192, 23360, 24528, 25536, 27598, 27740, 28032, 29127, 30660, 31920, 32704, 33288, 35040, 36480, 38836, 40880, 41397, 41610, 42560, 44384, 46720, 48545, 49056, 51072, 55196, 55480, 58254, 61320, 63840, 65408, 66576, 68995, 70080, 77672, 81760, 82794, 83220, 85120, 88768, 96593, 97090, 98112, 110392, 110960, 116508, 122640, 127680, 133152, 137990, 140160, 145635, 155344, 163520, 165588, 166440, 177536, 193186, 194180, 196224, 206985, 220784, 221920, 233016, 245280, 255360, 262181, 266304, 275980, 289779, 291270, 310688, 327040, 331176, 332880, 386372, 388360, 413970, 441568, 443840, 466032, 482965, 490560, 524362, 532608, 551960, 579558, 582540, 621376, 662352, 665760, 772744, 776720, 786543, 827940, 883136, 887680, 932064, 965930, 981120, 1007327, 1048724, 1103920, 1159116, 1165080, 1242752, 1310905, 1324704, 1331520, 1448895, 1545488, 1553440, 1573086, 1655880, 1766272, 1835267, 1864128, 1931860, 2014654, 2097448, 2207840, 2318232, 2330160, 2621810, 2649408, 2663040, 2897790, 3021981, 3090976, 3106880, 3146172, 3311760, 3670534, 3728256, 3863720, 3932715, 4029308, 4194896, 4415680, 4636464, 4660320, 5036635, 5243620, 5298816, 5505801, 5795580, 6043962, 6181952, 6213760, 6292344, 6623520, 7051289, 7341068, 7727440, 7865430, 8058616, 8389792, 8831360, 9176335, 9272928, 9320640, 10073270, 10487240, 11011602, 11591160, 12087924, 12363904, 12584688, 13247040, 14102578, 14682136, 15109905, 15454880, 15730860, 16117232, 16779584, 18352670, 18545856, 18641280, 19139213, 20146540, 20974480, 21153867, 22023204, 23182320, 24175848, 25169376, 26494080, 27529005, 28205156, 29364272, 30219810, 30909760, 31461720, 32234464, 33559168, 35256445, 36705340, 37091712, 38278426, 40293080, 41948960, 42307734, 44046408, 46364640, 48351696, 50338752, 55058010, 56410312, 57417639, 58728544, 60439620, 61819520, 62923440, 64468928, 70512890, 73410680, 76556852, 80586160, 83897920, 84615468, 88092816, 92729280, 95696065, 96703392, 100677504, 105769335, 110116020, 112820624, 114835278, 117457088, 120879240, 125846880, 128937856, 133974491, 141025780, 146821360, 153113704, 161172320, 167795840, 169230936, 176185632, 185458560, 191392130, 193406784, 211538670, 220232040, 225641248, 229670556, 234914176, 241758480, 251693760, 267948982, 282051560, 287088195, 293642720, 306227408, 322344640, 338461872, 352371264, 382784260, 386813568, 401923473, 423077340, 440464080, 451282496, 459341112, 483516960, 503387520, 535897964, 564103120, 574176390, 587285440, 612454816, 644689280, 669872455, 676923744, 704742528, 765568520, 803846946, 846154680, 880928160, 902564992, 918682224, 967033920, 1071795928, 1128206240, 1148352780, 1174570880, 1224909632, 1339744910, 1353847488, 1531137040, 1607693892, 1692309360, 1761856320, 1837364448, 1934067840, 2009617365, 2143591856, 2256412480, 2296705560, 2449819264, 2679489820, 2707694976, 3062274080, 3215387784, 3384618720, 3523712640, 3674728896, 4019234730, 4287183712, 4512824960, 4593411120, 5358979640, 6124548160, 6430775568, 6769237440, 7349457792, 8038469460, 8574367424, 9186822240, 10717959280, 12249096320, 12861551136, 13538474880, 16076938920, 17148734848, 18373644480, 21435918560, 25723102272, 32153877840, 36747288960, 42871837120, 51446204544, 64307755680, 85743674240, 128615511360, 257231022720]

約数ペア:

[(1, 257231022720), (2, 128615511360), (3, 85743674240), (4, 64307755680), (5, 51446204544), (6, 42871837120), (7, 36747288960), (8, 32153877840), (10, 25723102272), (12, 21435918560), (14, 18373644480), (15, 17148734848), (16, 16076938920), (19, 13538474880), (20, 12861551136), (21, 12249096320), (24, 10717959280), (28, 9186822240), (30, 8574367424), (32, 8038469460), (35, 7349457792), (38, 6769237440), (40, 6430775568), (42, 6124548160), (48, 5358979640), (56, 4593411120), (57, 4512824960), (60, 4287183712), (64, 4019234730), (70, 3674728896), (73, 3523712640), (76, 3384618720), (80, 3215387784), (84, 3062274080), (95, 2707694976), (96, 2679489820), (105, 2449819264), (112, 2296705560), (114, 2256412480), (120, 2143591856), (128, 2009617365), (133, 1934067840), (140, 1837364448), (146, 1761856320), (152, 1692309360), (160, 1607693892), (168, 1531137040), (190, 1353847488), (192, 1339744910), (210, 1224909632), (219, 1174570880), (224, 1148352780), (228, 1128206240), (240, 1071795928), (266, 967033920), (280, 918682224), (285, 902564992), (292, 880928160), (304, 846154680), (320, 803846946), (336, 765568520), (365, 704742528), (380, 676923744), (384, 669872455), (399, 644689280), (420, 612454816), (438, 587285440), (448, 574176390), (456, 564103120), (480, 535897964), (511, 503387520), (532, 483516960), (560, 459341112), (570, 451282496), (584, 440464080), (608, 423077340), (640, 401923473), (665, 386813568), (672, 382784260), (730, 352371264), (760, 338461872), (798, 322344640), (840, 306227408), (876, 293642720), (896, 287088195), (912, 282051560), (960, 267948982), (1022, 251693760), (1064, 241758480), (1095, 234914176), (1120, 229670556), (1140, 225641248), (1168, 220232040), (1216, 211538670), (1330, 193406784), (1344, 191392130), (1387, 185458560), (1460, 176185632), (1520, 169230936), (1533, 167795840), (1596, 161172320), (1680, 153113704), (1752, 146821360), (1824, 141025780), (1920, 133974491), (1995, 128937856), (2044, 125846880), (2128, 120879240), (2190, 117457088), (2240, 114835278), (2280, 112820624), (2336, 110116020), (2432, 105769335), (2555, 100677504), (2660, 96703392), (2688, 95696065), (2774, 92729280), (2920, 88092816), (3040, 84615468), (3066, 83897920), (3192, 80586160), (3360, 76556852), (3504, 73410680), (3648, 70512890), (3990, 64468928), (4088, 62923440), (4161, 61819520), (4256, 60439620), (4380, 58728544), (4480, 57417639), (4560, 56410312), (4672, 55058010), (5110, 50338752), (5320, 48351696), (5548, 46364640), (5840, 44046408), (6080, 42307734), (6132, 41948960), (6384, 40293080), (6720, 38278426), (6935, 37091712), (7008, 36705340), (7296, 35256445), (7665, 33559168), (7980, 32234464), (8176, 31461720), (8322, 30909760), (8512, 30219810), (8760, 29364272), (9120, 28205156), (9344, 27529005), (9709, 26494080), (10220, 25169376), (10640, 24175848), (11096, 23182320), (11680, 22023204), (12160, 21153867), (12264, 20974480), (12768, 20146540), (13440, 19139213), (13799, 18641280), (13870, 18545856), (14016, 18352670), (15330, 16779584), (15960, 16117232), (16352, 15730860), (16644, 15454880), (17024, 15109905), (17520, 14682136), (18240, 14102578), (19418, 13247040), (20440, 12584688), (20805, 12363904), (21280, 12087924), (22192, 11591160), (23360, 11011602), (24528, 10487240), (25536, 10073270), (27598, 9320640), (27740, 9272928), (28032, 9176335), (29127, 8831360), (30660, 8389792), (31920, 8058616), (32704, 7865430), (33288, 7727440), (35040, 7341068), (36480, 7051289), (38836, 6623520), (40880, 6292344), (41397, 6213760), (41610, 6181952), (42560, 6043962), (44384, 5795580), (46720, 5505801), (48545, 5298816), (49056, 5243620), (51072, 5036635), (55196, 4660320), (55480, 4636464), (58254, 4415680), (61320, 4194896), (63840, 4029308), (65408, 3932715), (66576, 3863720), (68995, 3728256), (70080, 3670534), (77672, 3311760), (81760, 3146172), (82794, 3106880), (83220, 3090976), (85120, 3021981), (88768, 2897790), (96593, 2663040), (97090, 2649408), (98112, 2621810), (110392, 2330160), (110960, 2318232), (116508, 2207840), (122640, 2097448), (127680, 2014654), (133152, 1931860), (137990, 1864128), (140160, 1835267), (145635, 1766272), (155344, 1655880), (163520, 1573086), (165588, 1553440), (166440, 1545488), (177536, 1448895), (193186, 1331520), (194180, 1324704), (196224, 1310905), (206985, 1242752), (220784, 1165080), (221920, 1159116), (233016, 1103920), (245280, 1048724), (255360, 1007327), (262181, 981120), (266304, 965930), (275980, 932064), (289779, 887680), (291270, 883136), (310688, 827940), (327040, 786543), (331176, 776720), (332880, 772744), (386372, 665760), (388360, 662352), (413970, 621376), (441568, 582540), (443840, 579558), (466032, 551960), (482965, 532608), (490560, 524362)]