1266021920

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 3041161200

約数和(自身を除く): 1775139280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 229, 317, 436, 458, 545, 634, 872, 916, 1090, 1145, 1268, 1585, 1744, 1832, 2180, 2290, 2536, 3170, 3488, 3664, 4360, 4580, 5072, 6340, 7328, 8720, 9160, 10144, 12680, 17440, 18320, 24961, 25360, 34553, 36640, 49922, 50720, 69106, 72593, 99844, 124805, 138212, 145186, 172765, 199688, 249610, 276424, 290372, 345530, 362965, 399376, 499220, 552848, 580744, 691060, 725930, 798752, 998440, 1105696, 1161488, 1382120, 1451860, 1996880, 2322976, 2764240, 2903720, 3993760, 5528480, 5807440, 7912637, 11614880, 15825274, 31650548, 39563185, 63301096, 79126370, 126602192, 158252740, 253204384, 316505480, 633010960, 1266021920]

約数ペア:

[(1, 1266021920), (2, 633010960), (4, 316505480), (5, 253204384), (8, 158252740), (10, 126602192), (16, 79126370), (20, 63301096), (32, 39563185), (40, 31650548), (80, 15825274), (109, 11614880), (160, 7912637), (218, 5807440), (229, 5528480), (317, 3993760), (436, 2903720), (458, 2764240), (545, 2322976), (634, 1996880), (872, 1451860), (916, 1382120), (1090, 1161488), (1145, 1105696), (1268, 998440), (1585, 798752), (1744, 725930), (1832, 691060), (2180, 580744), (2290, 552848), (2536, 499220), (3170, 399376), (3488, 362965), (3664, 345530), (4360, 290372), (4580, 276424), (5072, 249610), (6340, 199688), (7328, 172765), (8720, 145186), (9160, 138212), (10144, 124805), (12680, 99844), (17440, 72593), (18320, 69106), (24961, 50720), (25360, 49922), (34553, 36640)]