257652080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8681}}^1$

素因数の和:8754

約数の個数: 80

約数和(自身を含む): 697616064

約数和(自身を除く): 439963984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 8681, 14840, 17362, 29680, 34724, 43405, 60767, 69448, 86810, 121534, 138896, 173620, 243068, 303835, 347240, 460093, 486136, 607670, 694480, 920186, 972272, 1215340, 1840372, 2300465, 2430680, 3220651, 3680744, 4600930, 4861360, 6441302, 7361488, 9201860, 12882604, 16103255, 18403720, 25765208, 32206510, 36807440, 51530416, 64413020, 128826040, 257652080]

約数ペア:

[(1, 257652080), (2, 128826040), (4, 64413020), (5, 51530416), (7, 36807440), (8, 32206510), (10, 25765208), (14, 18403720), (16, 16103255), (20, 12882604), (28, 9201860), (35, 7361488), (40, 6441302), (53, 4861360), (56, 4600930), (70, 3680744), (80, 3220651), (106, 2430680), (112, 2300465), (140, 1840372), (212, 1215340), (265, 972272), (280, 920186), (371, 694480), (424, 607670), (530, 486136), (560, 460093), (742, 347240), (848, 303835), (1060, 243068), (1484, 173620), (1855, 138896), (2120, 121534), (2968, 86810), (3710, 69448), (4240, 60767), (5936, 43405), (7420, 34724), (8681, 29680), (14840, 17362)]