28520040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 85973760

約数和(自身を除く): 57453720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 877, 1084, 1355, 1626, 1754, 2168, 2631, 2710, 3252, 3508, 4065, 4385, 5262, 5420, 6504, 7016, 8130, 8770, 10524, 10840, 13155, 16260, 17540, 21048, 26310, 32520, 35080, 52620, 105240, 237667, 475334, 713001, 950668, 1188335, 1426002, 1901336, 2376670, 2852004, 3565005, 4753340, 5704008, 7130010, 9506680, 14260020, 28520040]

約数ペア:

[(1, 28520040), (2, 14260020), (3, 9506680), (4, 7130010), (5, 5704008), (6, 4753340), (8, 3565005), (10, 2852004), (12, 2376670), (15, 1901336), (20, 1426002), (24, 1188335), (30, 950668), (40, 713001), (60, 475334), (120, 237667), (271, 105240), (542, 52620), (813, 35080), (877, 32520), (1084, 26310), (1355, 21048), (1626, 17540), (1754, 16260), (2168, 13155), (2631, 10840), (2710, 10524), (3252, 8770), (3508, 8130), (4065, 7016), (4385, 6504), (5262, 5420)]