80905560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12721}}^1$

素因数の和:12788

約数の個数: 64

約数和(自身を含む): 247315680

約数和(自身を除く): 166410120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 12721, 25442, 38163, 50884, 63605, 76326, 101768, 127210, 152652, 190815, 254420, 305304, 381630, 508840, 674213, 763260, 1348426, 1526520, 2022639, 2696852, 3371065, 4045278, 5393704, 6742130, 8090556, 10113195, 13484260, 16181112, 20226390, 26968520, 40452780, 80905560]

約数ペア:

[(1, 80905560), (2, 40452780), (3, 26968520), (4, 20226390), (5, 16181112), (6, 13484260), (8, 10113195), (10, 8090556), (12, 6742130), (15, 5393704), (20, 4045278), (24, 3371065), (30, 2696852), (40, 2022639), (53, 1526520), (60, 1348426), (106, 763260), (120, 674213), (159, 508840), (212, 381630), (265, 305304), (318, 254420), (424, 190815), (530, 152652), (636, 127210), (795, 101768), (1060, 76326), (1272, 63605), (1590, 50884), (2120, 38163), (3180, 25442), (6360, 12721)]