81499560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8597}}^1$

素因数の和:8690

約数の個数: 64

約数和(自身を含む): 247622400

約数和(自身を除く): 166122840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 8597, 9480, 17194, 25791, 34388, 42985, 51582, 68776, 85970, 103164, 128955, 171940, 206328, 257910, 343880, 515820, 679163, 1031640, 1358326, 2037489, 2716652, 3395815, 4074978, 5433304, 6791630, 8149956, 10187445, 13583260, 16299912, 20374890, 27166520, 40749780, 81499560]

約数ペア:

[(1, 81499560), (2, 40749780), (3, 27166520), (4, 20374890), (5, 16299912), (6, 13583260), (8, 10187445), (10, 8149956), (12, 6791630), (15, 5433304), (20, 4074978), (24, 3395815), (30, 2716652), (40, 2037489), (60, 1358326), (79, 1031640), (120, 679163), (158, 515820), (237, 343880), (316, 257910), (395, 206328), (474, 171940), (632, 128955), (790, 103164), (948, 85970), (1185, 68776), (1580, 51582), (1896, 42985), (2370, 34388), (3160, 25791), (4740, 17194), (8597, 9480)]