1638639360

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1511

約数の個数: 216

約数和(自身を含む): 5728710624

約数和(自身を除く): 4090071264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 103, 120, 128, 144, 160, 180, 192, 206, 240, 256, 288, 309, 320, 360, 384, 412, 480, 515, 576, 618, 640, 720, 768, 824, 927, 960, 1030, 1152, 1236, 1280, 1381, 1440, 1545, 1648, 1854, 1920, 2060, 2304, 2472, 2762, 2880, 3090, 3296, 3708, 3840, 4120, 4143, 4635, 4944, 5524, 5760, 6180, 6592, 6905, 7416, 8240, 8286, 9270, 9888, 11048, 11520, 12360, 12429, 13184, 13810, 14832, 16480, 16572, 18540, 19776, 20715, 22096, 24720, 24858, 26368, 27620, 29664, 32960, 33144, 37080, 39552, 41430, 44192, 49440, 49716, 55240, 59328, 62145, 65920, 66288, 74160, 79104, 82860, 88384, 98880, 99432, 110480, 118656, 124290, 131840, 132576, 142243, 148320, 165720, 176768, 197760, 198864, 220960, 237312, 248580, 265152, 284486, 296640, 331440, 353536, 395520, 397728, 426729, 441920, 497160, 530304, 568972, 593280, 662880, 711215, 795456, 853458, 883840, 994320, 1060608, 1137944, 1186560, 1280187, 1325760, 1422430, 1590912, 1706916, 1767680, 1988640, 2133645, 2275888, 2560374, 2651520, 2844860, 3181824, 3413832, 3977280, 4267290, 4551776, 5120748, 5303040, 5689720, 6400935, 6827664, 7954560, 8534580, 9103552, 10241496, 11379440, 12801870, 13655328, 15909120, 17069160, 18207104, 20482992, 22758880, 25603740, 27310656, 34138320, 36414208, 40965984, 45517760, 51207480, 54621312, 68276640, 81931968, 91035520, 102414960, 109242624, 136553280, 163863936, 182071040, 204829920, 273106560, 327727872, 409659840, 546213120, 819319680, 1638639360]

約数ペア:

[(1, 1638639360), (2, 819319680), (3, 546213120), (4, 409659840), (5, 327727872), (6, 273106560), (8, 204829920), (9, 182071040), (10, 163863936), (12, 136553280), (15, 109242624), (16, 102414960), (18, 91035520), (20, 81931968), (24, 68276640), (30, 54621312), (32, 51207480), (36, 45517760), (40, 40965984), (45, 36414208), (48, 34138320), (60, 27310656), (64, 25603740), (72, 22758880), (80, 20482992), (90, 18207104), (96, 17069160), (103, 15909120), (120, 13655328), (128, 12801870), (144, 11379440), (160, 10241496), (180, 9103552), (192, 8534580), (206, 7954560), (240, 6827664), (256, 6400935), (288, 5689720), (309, 5303040), (320, 5120748), (360, 4551776), (384, 4267290), (412, 3977280), (480, 3413832), (515, 3181824), (576, 2844860), (618, 2651520), (640, 2560374), (720, 2275888), (768, 2133645), (824, 1988640), (927, 1767680), (960, 1706916), (1030, 1590912), (1152, 1422430), (1236, 1325760), (1280, 1280187), (1381, 1186560), (1440, 1137944), (1545, 1060608), (1648, 994320), (1854, 883840), (1920, 853458), (2060, 795456), (2304, 711215), (2472, 662880), (2762, 593280), (2880, 568972), (3090, 530304), (3296, 497160), (3708, 441920), (3840, 426729), (4120, 397728), (4143, 395520), (4635, 353536), (4944, 331440), (5524, 296640), (5760, 284486), (6180, 265152), (6592, 248580), (6905, 237312), (7416, 220960), (8240, 198864), (8286, 197760), (9270, 176768), (9888, 165720), (11048, 148320), (11520, 142243), (12360, 132576), (12429, 131840), (13184, 124290), (13810, 118656), (14832, 110480), (16480, 99432), (16572, 98880), (18540, 88384), (19776, 82860), (20715, 79104), (22096, 74160), (24720, 66288), (24858, 65920), (26368, 62145), (27620, 59328), (29664, 55240), (32960, 49716), (33144, 49440), (37080, 44192), (39552, 41430)]