668362240

素因数分解:

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

素因数の和:213

約数の個数: 320

約数和(自身を含む): 2089866240

約数和(自身を除く): 1421504000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 128, 130, 133, 140, 151, 152, 160, 182, 190, 208, 224, 247, 256, 260, 266, 280, 302, 304, 320, 364, 380, 416, 448, 455, 494, 512, 520, 532, 560, 604, 608, 640, 665, 728, 755, 760, 832, 896, 910, 988, 1040, 1057, 1064, 1120, 1208, 1216, 1235, 1280, 1330, 1456, 1510, 1520, 1664, 1729, 1792, 1820, 1963, 1976, 2080, 2114, 2128, 2240, 2416, 2432, 2470, 2560, 2660, 2869, 2912, 3020, 3040, 3328, 3458, 3584, 3640, 3926, 3952, 4160, 4228, 4256, 4480, 4832, 4864, 4940, 5285, 5320, 5738, 5824, 6040, 6080, 6656, 6916, 7280, 7852, 7904, 8320, 8456, 8512, 8645, 8960, 9664, 9728, 9815, 9880, 10570, 10640, 11476, 11648, 12080, 12160, 13741, 13832, 14345, 14560, 15704, 15808, 16640, 16912, 17024, 17290, 17920, 19328, 19630, 19760, 20083, 21140, 21280, 22952, 23296, 24160, 24320, 27482, 27664, 28690, 29120, 31408, 31616, 33280, 33824, 34048, 34580, 37297, 38656, 39260, 39520, 40166, 42280, 42560, 45904, 46592, 48320, 48640, 54964, 55328, 57380, 58240, 62816, 63232, 67648, 68096, 68705, 69160, 74594, 77312, 78520, 79040, 80332, 84560, 85120, 91808, 96640, 100415, 109928, 110656, 114760, 116480, 125632, 126464, 135296, 137410, 138320, 149188, 157040, 158080, 160664, 169120, 170240, 183616, 186485, 193280, 200830, 219856, 221312, 229520, 232960, 251264, 261079, 270592, 274820, 276640, 298376, 314080, 316160, 321328, 338240, 340480, 367232, 372970, 386560, 401660, 439712, 442624, 459040, 502528, 522158, 541184, 549640, 553280, 596752, 628160, 632320, 642656, 676480, 734464, 745940, 803320, 879424, 885248, 918080, 1005056, 1044316, 1099280, 1106560, 1193504, 1256320, 1285312, 1305395, 1352960, 1468928, 1491880, 1606640, 1758848, 1836160, 2088632, 2198560, 2213120, 2387008, 2512640, 2570624, 2610790, 2705920, 2983760, 3213280, 3517696, 3672320, 4177264, 4397120, 4426240, 4774016, 5025280, 5141248, 5221580, 5967520, 6426560, 7035392, 7344640, 8354528, 8794240, 9548032, 10282496, 10443160, 11935040, 12853120, 16709056, 17588480, 19096064, 20886320, 23870080, 25706240, 33418112, 35176960, 41772640, 47740160, 51412480, 66836224, 83545280, 95480320, 133672448, 167090560, 334181120, 668362240]

約数ペア:

[(1, 668362240), (2, 334181120), (4, 167090560), (5, 133672448), (7, 95480320), (8, 83545280), (10, 66836224), (13, 51412480), (14, 47740160), (16, 41772640), (19, 35176960), (20, 33418112), (26, 25706240), (28, 23870080), (32, 20886320), (35, 19096064), (38, 17588480), (40, 16709056), (52, 12853120), (56, 11935040), (64, 10443160), (65, 10282496), (70, 9548032), (76, 8794240), (80, 8354528), (91, 7344640), (95, 7035392), (104, 6426560), (112, 5967520), (128, 5221580), (130, 5141248), (133, 5025280), (140, 4774016), (151, 4426240), (152, 4397120), (160, 4177264), (182, 3672320), (190, 3517696), (208, 3213280), (224, 2983760), (247, 2705920), (256, 2610790), (260, 2570624), (266, 2512640), (280, 2387008), (302, 2213120), (304, 2198560), (320, 2088632), (364, 1836160), (380, 1758848), (416, 1606640), (448, 1491880), (455, 1468928), (494, 1352960), (512, 1305395), (520, 1285312), (532, 1256320), (560, 1193504), (604, 1106560), (608, 1099280), (640, 1044316), (665, 1005056), (728, 918080), (755, 885248), (760, 879424), (832, 803320), (896, 745940), (910, 734464), (988, 676480), (1040, 642656), (1057, 632320), (1064, 628160), (1120, 596752), (1208, 553280), (1216, 549640), (1235, 541184), (1280, 522158), (1330, 502528), (1456, 459040), (1510, 442624), (1520, 439712), (1664, 401660), (1729, 386560), (1792, 372970), (1820, 367232), (1963, 340480), (1976, 338240), (2080, 321328), (2114, 316160), (2128, 314080), (2240, 298376), (2416, 276640), (2432, 274820), (2470, 270592), (2560, 261079), (2660, 251264), (2869, 232960), (2912, 229520), (3020, 221312), (3040, 219856), (3328, 200830), (3458, 193280), (3584, 186485), (3640, 183616), (3926, 170240), (3952, 169120), (4160, 160664), (4228, 158080), (4256, 157040), (4480, 149188), (4832, 138320), (4864, 137410), (4940, 135296), (5285, 126464), (5320, 125632), (5738, 116480), (5824, 114760), (6040, 110656), (6080, 109928), (6656, 100415), (6916, 96640), (7280, 91808), (7852, 85120), (7904, 84560), (8320, 80332), (8456, 79040), (8512, 78520), (8645, 77312), (8960, 74594), (9664, 69160), (9728, 68705), (9815, 68096), (9880, 67648), (10570, 63232), (10640, 62816), (11476, 58240), (11648, 57380), (12080, 55328), (12160, 54964), (13741, 48640), (13832, 48320), (14345, 46592), (14560, 45904), (15704, 42560), (15808, 42280), (16640, 40166), (16912, 39520), (17024, 39260), (17290, 38656), (17920, 37297), (19328, 34580), (19630, 34048), (19760, 33824), (20083, 33280), (21140, 31616), (21280, 31408), (22952, 29120), (23296, 28690), (24160, 27664), (24320, 27482)]