628157040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{373903}}^1$

素因数の和:373926

約数の個数: 80

約数和(自身を含む): 2225476608

約数和(自身を除く): 1597319568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 373903, 747806, 1121709, 1495612, 1869515, 2243418, 2617321, 2991224, 3739030, 4486836, 5234642, 5608545, 5982448, 7478060, 7851963, 8973672, 10469284, 11217090, 13086605, 14956120, 15703926, 17947344, 20938568, 22434180, 26173210, 29912240, 31407852, 39259815, 41877136, 44868360, 52346420, 62815704, 78519630, 89736720, 104692840, 125631408, 157039260, 209385680, 314078520, 628157040]

約数ペア:

[(1, 628157040), (2, 314078520), (3, 209385680), (4, 157039260), (5, 125631408), (6, 104692840), (7, 89736720), (8, 78519630), (10, 62815704), (12, 52346420), (14, 44868360), (15, 41877136), (16, 39259815), (20, 31407852), (21, 29912240), (24, 26173210), (28, 22434180), (30, 20938568), (35, 17947344), (40, 15703926), (42, 14956120), (48, 13086605), (56, 11217090), (60, 10469284), (70, 8973672), (80, 7851963), (84, 7478060), (105, 5982448), (112, 5608545), (120, 5234642), (140, 4486836), (168, 3739030), (210, 2991224), (240, 2617321), (280, 2243418), (336, 1869515), (420, 1495612), (560, 1121709), (840, 747806), (1680, 373903)]