206994840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132689}}^1$

素因数の和:132716

約数の個数: 64

約数和(自身を含む): 668757600

約数和(自身を除く): 461762760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 132689, 265378, 398067, 530756, 663445, 796134, 1061512, 1326890, 1592268, 1724957, 1990335, 2653780, 3184536, 3449914, 3980670, 5174871, 5307560, 6899828, 7961340, 8624785, 10349742, 13799656, 15922680, 17249570, 20699484, 25874355, 34499140, 41398968, 51748710, 68998280, 103497420, 206994840]

約数ペア:

[(1, 206994840), (2, 103497420), (3, 68998280), (4, 51748710), (5, 41398968), (6, 34499140), (8, 25874355), (10, 20699484), (12, 17249570), (13, 15922680), (15, 13799656), (20, 10349742), (24, 8624785), (26, 7961340), (30, 6899828), (39, 5307560), (40, 5174871), (52, 3980670), (60, 3449914), (65, 3184536), (78, 2653780), (104, 1990335), (120, 1724957), (130, 1592268), (156, 1326890), (195, 1061512), (260, 796134), (312, 663445), (390, 530756), (520, 398067), (780, 265378), (1560, 132689)]