31575240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 103521600

約数和(自身を除く): 71946360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 631, 695, 834, 1112, 1251, 1262, 1390, 1668, 1893, 2085, 2502, 2524, 2780, 3155, 3336, 3786, 4170, 5004, 5048, 5560, 5679, 6255, 6310, 7572, 8340, 9465, 10008, 11358, 12510, 12620, 15144, 16680, 18930, 22716, 25020, 25240, 28395, 37860, 45432, 50040, 56790, 75720, 87709, 113580, 175418, 227160, 263127, 350836, 438545, 526254, 701672, 789381, 877090, 1052508, 1315635, 1578762, 1754180, 2105016, 2631270, 3157524, 3508360, 3946905, 5262540, 6315048, 7893810, 10525080, 15787620, 31575240]

約数ペア:

[(1, 31575240), (2, 15787620), (3, 10525080), (4, 7893810), (5, 6315048), (6, 5262540), (8, 3946905), (9, 3508360), (10, 3157524), (12, 2631270), (15, 2105016), (18, 1754180), (20, 1578762), (24, 1315635), (30, 1052508), (36, 877090), (40, 789381), (45, 701672), (60, 526254), (72, 438545), (90, 350836), (120, 263127), (139, 227160), (180, 175418), (278, 113580), (360, 87709), (417, 75720), (556, 56790), (631, 50040), (695, 45432), (834, 37860), (1112, 28395), (1251, 25240), (1262, 25020), (1390, 22716), (1668, 18930), (1893, 16680), (2085, 15144), (2502, 12620), (2524, 12510), (2780, 11358), (3155, 10008), (3336, 9465), (3786, 8340), (4170, 7572), (5004, 6310), (5048, 6255), (5560, 5679)]