31981680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1095

約数の個数: 120

約数和(自身を含む): 110009328

約数和(自身を除く): 78027648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1033, 1290, 1548, 1720, 1935, 2064, 2066, 2580, 3096, 3099, 3440, 3870, 4132, 5160, 5165, 6192, 6198, 7740, 8264, 9297, 10320, 10330, 12396, 15480, 15495, 16528, 18594, 20660, 24792, 30960, 30990, 37188, 41320, 44419, 46485, 49584, 61980, 74376, 82640, 88838, 92970, 123960, 133257, 148752, 177676, 185940, 222095, 247920, 266514, 355352, 371880, 399771, 444190, 533028, 666285, 710704, 743760, 799542, 888380, 1066056, 1332570, 1599084, 1776760, 1998855, 2132112, 2665140, 3198168, 3553520, 3997710, 5330280, 6396336, 7995420, 10660560, 15990840, 31981680]

約数ペア:

[(1, 31981680), (2, 15990840), (3, 10660560), (4, 7995420), (5, 6396336), (6, 5330280), (8, 3997710), (9, 3553520), (10, 3198168), (12, 2665140), (15, 2132112), (16, 1998855), (18, 1776760), (20, 1599084), (24, 1332570), (30, 1066056), (36, 888380), (40, 799542), (43, 743760), (45, 710704), (48, 666285), (60, 533028), (72, 444190), (80, 399771), (86, 371880), (90, 355352), (120, 266514), (129, 247920), (144, 222095), (172, 185940), (180, 177676), (215, 148752), (240, 133257), (258, 123960), (344, 92970), (360, 88838), (387, 82640), (430, 74376), (516, 61980), (645, 49584), (688, 46485), (720, 44419), (774, 41320), (860, 37188), (1032, 30990), (1033, 30960), (1290, 24792), (1548, 20660), (1720, 18594), (1935, 16528), (2064, 15495), (2066, 15480), (2580, 12396), (3096, 10330), (3099, 10320), (3440, 9297), (3870, 8264), (4132, 7740), (5160, 6198), (5165, 6192)]