256429680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82189}}^1$

素因数の和:82218

約数の個数: 80

約数和(自身を含む): 856091040

約数和(自身を除く): 599661360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 82189, 164378, 246567, 328756, 410945, 493134, 657512, 821890, 986268, 1068457, 1232835, 1315024, 1643780, 1972536, 2136914, 2465670, 3205371, 3287560, 3945072, 4273828, 4931340, 5342285, 6410742, 6575120, 8547656, 9862680, 10684570, 12821484, 16026855, 17095312, 19725360, 21369140, 25642968, 32053710, 42738280, 51285936, 64107420, 85476560, 128214840, 256429680]

約数ペア:

[(1, 256429680), (2, 128214840), (3, 85476560), (4, 64107420), (5, 51285936), (6, 42738280), (8, 32053710), (10, 25642968), (12, 21369140), (13, 19725360), (15, 17095312), (16, 16026855), (20, 12821484), (24, 10684570), (26, 9862680), (30, 8547656), (39, 6575120), (40, 6410742), (48, 5342285), (52, 4931340), (60, 4273828), (65, 3945072), (78, 3287560), (80, 3205371), (104, 2465670), (120, 2136914), (130, 1972536), (156, 1643780), (195, 1315024), (208, 1232835), (240, 1068457), (260, 986268), (312, 821890), (390, 657512), (520, 493134), (624, 410945), (780, 328756), (1040, 246567), (1560, 164378), (3120, 82189)]