1638446760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239539}}^1$

素因数の和:239575

約数の個数: 96

約数和(自身を含む): 5605236000

約数和(自身を除く): 3966789240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 239539, 479078, 718617, 958156, 1197695, 1437234, 1916312, 2155851, 2395390, 2874468, 3593085, 4311702, 4551241, 4790780, 5748936, 7186170, 8623404, 9102482, 9581560, 10779255, 13653723, 14372340, 17246808, 18204964, 21558510, 22756205, 27307446, 28744680, 36409928, 40961169, 43117020, 45512410, 54614892, 68268615, 81922338, 86234040, 91024820, 109229784, 136537230, 163844676, 182049640, 204805845, 273074460, 327689352, 409611690, 546148920, 819223380, 1638446760]

約数ペア:

[(1, 1638446760), (2, 819223380), (3, 546148920), (4, 409611690), (5, 327689352), (6, 273074460), (8, 204805845), (9, 182049640), (10, 163844676), (12, 136537230), (15, 109229784), (18, 91024820), (19, 86234040), (20, 81922338), (24, 68268615), (30, 54614892), (36, 45512410), (38, 43117020), (40, 40961169), (45, 36409928), (57, 28744680), (60, 27307446), (72, 22756205), (76, 21558510), (90, 18204964), (95, 17246808), (114, 14372340), (120, 13653723), (152, 10779255), (171, 9581560), (180, 9102482), (190, 8623404), (228, 7186170), (285, 5748936), (342, 4790780), (360, 4551241), (380, 4311702), (456, 3593085), (570, 2874468), (684, 2395390), (760, 2155851), (855, 1916312), (1140, 1437234), (1368, 1197695), (1710, 958156), (2280, 718617), (3420, 479078), (6840, 239539)]