257205360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24923}}^1$

素因数の和:24982

約数の個数: 80

約数和(自身を含む): 815912064

約数和(自身を除く): 558706704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 24923, 49846, 74769, 99692, 124615, 149538, 199384, 249230, 299076, 373845, 398768, 498460, 598152, 747690, 996920, 1071689, 1196304, 1495380, 1993840, 2143378, 2990760, 3215067, 4286756, 5358445, 5981520, 6430134, 8573512, 10716890, 12860268, 16075335, 17147024, 21433780, 25720536, 32150670, 42867560, 51441072, 64301340, 85735120, 128602680, 257205360]

約数ペア:

[(1, 257205360), (2, 128602680), (3, 85735120), (4, 64301340), (5, 51441072), (6, 42867560), (8, 32150670), (10, 25720536), (12, 21433780), (15, 17147024), (16, 16075335), (20, 12860268), (24, 10716890), (30, 8573512), (40, 6430134), (43, 5981520), (48, 5358445), (60, 4286756), (80, 3215067), (86, 2990760), (120, 2143378), (129, 1993840), (172, 1495380), (215, 1196304), (240, 1071689), (258, 996920), (344, 747690), (430, 598152), (516, 498460), (645, 398768), (688, 373845), (860, 299076), (1032, 249230), (1290, 199384), (1720, 149538), (2064, 124615), (2580, 99692), (3440, 74769), (5160, 49846), (10320, 24923)]