1387997280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 288

約数和(自身を含む): 4929724800

約数和(自身を除く): 3541727520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 109, 111, 120, 144, 148, 160, 180, 185, 218, 222, 239, 240, 288, 296, 327, 333, 360, 370, 436, 444, 478, 480, 545, 555, 592, 654, 666, 717, 720, 740, 872, 888, 956, 981, 1090, 1110, 1184, 1195, 1308, 1332, 1434, 1440, 1480, 1635, 1665, 1744, 1776, 1912, 1962, 2151, 2180, 2220, 2390, 2616, 2664, 2868, 2960, 3270, 3330, 3488, 3552, 3585, 3824, 3924, 4033, 4302, 4360, 4440, 4780, 4905, 5232, 5328, 5736, 5920, 6540, 6660, 7170, 7648, 7848, 8066, 8604, 8720, 8843, 8880, 9560, 9810, 10464, 10656, 10755, 11472, 12099, 13080, 13320, 14340, 15696, 16132, 17208, 17440, 17686, 17760, 19120, 19620, 20165, 21510, 22944, 24198, 26051, 26160, 26529, 26640, 28680, 31392, 32264, 34416, 35372, 36297, 38240, 39240, 40330, 43020, 44215, 48396, 52102, 52320, 53058, 53280, 57360, 60495, 64528, 68832, 70744, 72594, 78153, 78480, 79587, 80660, 86040, 88430, 96792, 104204, 106116, 114720, 120990, 129056, 130255, 132645, 141488, 145188, 156306, 156960, 159174, 161320, 172080, 176860, 181485, 193584, 208408, 212232, 234459, 241980, 260510, 265290, 282976, 290376, 312612, 318348, 322640, 344160, 353720, 362970, 387168, 390765, 397935, 416816, 424464, 468918, 483960, 521020, 530580, 580752, 625224, 636696, 645280, 707440, 725940, 781530, 795870, 833632, 848928, 937836, 963887, 967920, 1042040, 1061160, 1161504, 1172295, 1250448, 1273392, 1414880, 1451880, 1563060, 1591740, 1875672, 1927774, 1935840, 2084080, 2122320, 2344590, 2500896, 2546784, 2891661, 2903760, 3126120, 3183480, 3751344, 3855548, 4168160, 4244640, 4689180, 4819435, 5783322, 5807520, 6252240, 6366960, 7502688, 7711096, 8674983, 9378360, 9638870, 11566644, 12504480, 12733920, 14458305, 15422192, 17349966, 18756720, 19277740, 23133288, 28916610, 30844384, 34699932, 37513440, 38555480, 43374915, 46266576, 57833220, 69399864, 77110960, 86749830, 92533152, 115666440, 138799728, 154221920, 173499660, 231332880, 277599456, 346999320, 462665760, 693998640, 1387997280]

約数ペア:

[(1, 1387997280), (2, 693998640), (3, 462665760), (4, 346999320), (5, 277599456), (6, 231332880), (8, 173499660), (9, 154221920), (10, 138799728), (12, 115666440), (15, 92533152), (16, 86749830), (18, 77110960), (20, 69399864), (24, 57833220), (30, 46266576), (32, 43374915), (36, 38555480), (37, 37513440), (40, 34699932), (45, 30844384), (48, 28916610), (60, 23133288), (72, 19277740), (74, 18756720), (80, 17349966), (90, 15422192), (96, 14458305), (109, 12733920), (111, 12504480), (120, 11566644), (144, 9638870), (148, 9378360), (160, 8674983), (180, 7711096), (185, 7502688), (218, 6366960), (222, 6252240), (239, 5807520), (240, 5783322), (288, 4819435), (296, 4689180), (327, 4244640), (333, 4168160), (360, 3855548), (370, 3751344), (436, 3183480), (444, 3126120), (478, 2903760), (480, 2891661), (545, 2546784), (555, 2500896), (592, 2344590), (654, 2122320), (666, 2084080), (717, 1935840), (720, 1927774), (740, 1875672), (872, 1591740), (888, 1563060), (956, 1451880), (981, 1414880), (1090, 1273392), (1110, 1250448), (1184, 1172295), (1195, 1161504), (1308, 1061160), (1332, 1042040), (1434, 967920), (1440, 963887), (1480, 937836), (1635, 848928), (1665, 833632), (1744, 795870), (1776, 781530), (1912, 725940), (1962, 707440), (2151, 645280), (2180, 636696), (2220, 625224), (2390, 580752), (2616, 530580), (2664, 521020), (2868, 483960), (2960, 468918), (3270, 424464), (3330, 416816), (3488, 397935), (3552, 390765), (3585, 387168), (3824, 362970), (3924, 353720), (4033, 344160), (4302, 322640), (4360, 318348), (4440, 312612), (4780, 290376), (4905, 282976), (5232, 265290), (5328, 260510), (5736, 241980), (5920, 234459), (6540, 212232), (6660, 208408), (7170, 193584), (7648, 181485), (7848, 176860), (8066, 172080), (8604, 161320), (8720, 159174), (8843, 156960), (8880, 156306), (9560, 145188), (9810, 141488), (10464, 132645), (10656, 130255), (10755, 129056), (11472, 120990), (12099, 114720), (13080, 106116), (13320, 104204), (14340, 96792), (15696, 88430), (16132, 86040), (17208, 80660), (17440, 79587), (17686, 78480), (17760, 78153), (19120, 72594), (19620, 70744), (20165, 68832), (21510, 64528), (22944, 60495), (24198, 57360), (26051, 53280), (26160, 53058), (26529, 52320), (26640, 52102), (28680, 48396), (31392, 44215), (32264, 43020), (34416, 40330), (35372, 39240), (36297, 38240)]