64749160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3346

約数の個数: 64

約数和(自身を含む): 168894720

約数和(自身を除く): 104145560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3257, 3976, 4970, 6514, 9940, 13028, 16285, 19880, 22799, 26056, 32570, 45598, 65140, 91196, 113995, 130280, 182392, 227990, 231247, 455980, 462494, 911960, 924988, 1156235, 1618729, 1849976, 2312470, 3237458, 4624940, 6474916, 8093645, 9249880, 12949832, 16187290, 32374580, 64749160]

約数ペア:

[(1, 64749160), (2, 32374580), (4, 16187290), (5, 12949832), (7, 9249880), (8, 8093645), (10, 6474916), (14, 4624940), (20, 3237458), (28, 2312470), (35, 1849976), (40, 1618729), (56, 1156235), (70, 924988), (71, 911960), (140, 462494), (142, 455980), (280, 231247), (284, 227990), (355, 182392), (497, 130280), (568, 113995), (710, 91196), (994, 65140), (1420, 45598), (1988, 32570), (2485, 26056), (2840, 22799), (3257, 19880), (3976, 16285), (4970, 13028), (6514, 9940)]