61781040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1619}}^1$

素因数の和:1691

約数の個数: 120

約数和(自身を含む): 211526640

約数和(自身を除く): 149745600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1619, 1908, 2120, 2385, 2544, 3180, 3238, 3816, 4240, 4770, 4857, 6360, 6476, 7632, 8095, 9540, 9714, 12720, 12952, 14571, 16190, 19080, 19428, 24285, 25904, 29142, 32380, 38160, 38856, 48570, 58284, 64760, 72855, 77712, 85807, 97140, 116568, 129520, 145710, 171614, 194280, 233136, 257421, 291420, 343228, 388560, 429035, 514842, 582840, 686456, 772263, 858070, 1029684, 1165680, 1287105, 1372912, 1544526, 1716140, 2059368, 2574210, 3089052, 3432280, 3861315, 4118736, 5148420, 6178104, 6864560, 7722630, 10296840, 12356208, 15445260, 20593680, 30890520, 61781040]

約数ペア:

[(1, 61781040), (2, 30890520), (3, 20593680), (4, 15445260), (5, 12356208), (6, 10296840), (8, 7722630), (9, 6864560), (10, 6178104), (12, 5148420), (15, 4118736), (16, 3861315), (18, 3432280), (20, 3089052), (24, 2574210), (30, 2059368), (36, 1716140), (40, 1544526), (45, 1372912), (48, 1287105), (53, 1165680), (60, 1029684), (72, 858070), (80, 772263), (90, 686456), (106, 582840), (120, 514842), (144, 429035), (159, 388560), (180, 343228), (212, 291420), (240, 257421), (265, 233136), (318, 194280), (360, 171614), (424, 145710), (477, 129520), (530, 116568), (636, 97140), (720, 85807), (795, 77712), (848, 72855), (954, 64760), (1060, 58284), (1272, 48570), (1590, 38856), (1619, 38160), (1908, 32380), (2120, 29142), (2385, 25904), (2544, 24285), (3180, 19428), (3238, 19080), (3816, 16190), (4240, 14571), (4770, 12952), (4857, 12720), (6360, 9714), (6476, 9540), (7632, 8095)]