90915720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{108233}}^1$

素因数の和:108254

約数の個数: 64

約数和(自身を含む): 311713920

約数和(自身を除く): 220798200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 108233, 216466, 324699, 432932, 541165, 649398, 757631, 865864, 1082330, 1298796, 1515262, 1623495, 2164660, 2272893, 2597592, 3030524, 3246990, 3788155, 4329320, 4545786, 6061048, 6493980, 7576310, 9091572, 11364465, 12987960, 15152620, 18183144, 22728930, 30305240, 45457860, 90915720]

約数ペア:

[(1, 90915720), (2, 45457860), (3, 30305240), (4, 22728930), (5, 18183144), (6, 15152620), (7, 12987960), (8, 11364465), (10, 9091572), (12, 7576310), (14, 6493980), (15, 6061048), (20, 4545786), (21, 4329320), (24, 3788155), (28, 3246990), (30, 3030524), (35, 2597592), (40, 2272893), (42, 2164660), (56, 1623495), (60, 1515262), (70, 1298796), (84, 1082330), (105, 865864), (120, 757631), (140, 649398), (168, 541165), (210, 432932), (280, 324699), (420, 216466), (840, 108233)]