1265640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 3888000

約数和(自身を除く): 2622360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 199, 212, 265, 318, 398, 424, 530, 597, 636, 795, 796, 995, 1060, 1194, 1272, 1590, 1592, 1990, 2120, 2388, 2985, 3180, 3980, 4776, 5970, 6360, 7960, 10547, 11940, 21094, 23880, 31641, 42188, 52735, 63282, 84376, 105470, 126564, 158205, 210940, 253128, 316410, 421880, 632820, 1265640]

約数ペア:

[(1, 1265640), (2, 632820), (3, 421880), (4, 316410), (5, 253128), (6, 210940), (8, 158205), (10, 126564), (12, 105470), (15, 84376), (20, 63282), (24, 52735), (30, 42188), (40, 31641), (53, 23880), (60, 21094), (106, 11940), (120, 10547), (159, 7960), (199, 6360), (212, 5970), (265, 4776), (318, 3980), (398, 3180), (424, 2985), (530, 2388), (597, 2120), (636, 1990), (795, 1592), (796, 1590), (995, 1272), (1060, 1194)]