65718520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2971}}^1$

素因数の和:3068

約数の個数: 64

約数和(自身を含む): 171187200

約数和(自身を除く): 105468680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 2971, 3160, 4424, 5530, 5942, 11060, 11884, 14855, 20797, 22120, 23768, 29710, 41594, 59420, 83188, 103985, 118840, 166376, 207970, 234709, 415940, 469418, 831880, 938836, 1173545, 1642963, 1877672, 2347090, 3285926, 4694180, 6571852, 8214815, 9388360, 13143704, 16429630, 32859260, 65718520]

約数ペア:

[(1, 65718520), (2, 32859260), (4, 16429630), (5, 13143704), (7, 9388360), (8, 8214815), (10, 6571852), (14, 4694180), (20, 3285926), (28, 2347090), (35, 1877672), (40, 1642963), (56, 1173545), (70, 938836), (79, 831880), (140, 469418), (158, 415940), (280, 234709), (316, 207970), (395, 166376), (553, 118840), (632, 103985), (790, 83188), (1106, 59420), (1580, 41594), (2212, 29710), (2765, 23768), (2971, 22120), (3160, 20797), (4424, 14855), (5530, 11884), (5942, 11060)]