21530280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3041}}^1$

素因数の和:3114

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 44176920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3041, 3540, 6082, 7080, 9123, 12164, 15205, 18246, 24328, 30410, 36492, 45615, 60820, 72984, 91230, 121640, 179419, 182460, 358838, 364920, 538257, 717676, 897095, 1076514, 1435352, 1794190, 2153028, 2691285, 3588380, 4306056, 5382570, 7176760, 10765140, 21530280]

約数ペア:

[(1, 21530280), (2, 10765140), (3, 7176760), (4, 5382570), (5, 4306056), (6, 3588380), (8, 2691285), (10, 2153028), (12, 1794190), (15, 1435352), (20, 1076514), (24, 897095), (30, 717676), (40, 538257), (59, 364920), (60, 358838), (118, 182460), (120, 179419), (177, 121640), (236, 91230), (295, 72984), (354, 60820), (472, 45615), (590, 36492), (708, 30410), (885, 24328), (1180, 18246), (1416, 15205), (1770, 12164), (2360, 9123), (3041, 7080), (3540, 6082)]