9995720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 16615480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1231, 1624, 2030, 2462, 4060, 4924, 6155, 8120, 8617, 9848, 12310, 17234, 24620, 34468, 35699, 43085, 49240, 68936, 71398, 86170, 142796, 172340, 178495, 249893, 285592, 344680, 356990, 499786, 713980, 999572, 1249465, 1427960, 1999144, 2498930, 4997860, 9995720]

約数ペア:

[(1, 9995720), (2, 4997860), (4, 2498930), (5, 1999144), (7, 1427960), (8, 1249465), (10, 999572), (14, 713980), (20, 499786), (28, 356990), (29, 344680), (35, 285592), (40, 249893), (56, 178495), (58, 172340), (70, 142796), (116, 86170), (140, 71398), (145, 68936), (203, 49240), (232, 43085), (280, 35699), (290, 34468), (406, 24620), (580, 17234), (812, 12310), (1015, 9848), (1160, 8617), (1231, 8120), (1624, 6155), (2030, 4924), (2462, 4060)]