2815696760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{3907}}^1$

素因数の和:4380

約数の個数: 64

約数和(自身を含む): 6499785600

約数和(自身を除く): 3684088840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 419, 430, 838, 860, 1676, 1720, 2095, 3352, 3907, 4190, 7814, 8380, 15628, 16760, 18017, 19535, 31256, 36034, 39070, 72068, 78140, 90085, 144136, 156280, 168001, 180170, 336002, 360340, 672004, 720680, 840005, 1344008, 1637033, 1680010, 3274066, 3360020, 6548132, 6720040, 8185165, 13096264, 16370330, 32740660, 65481320, 70392419, 140784838, 281569676, 351962095, 563139352, 703924190, 1407848380, 2815696760]

約数ペア:

[(1, 2815696760), (2, 1407848380), (4, 703924190), (5, 563139352), (8, 351962095), (10, 281569676), (20, 140784838), (40, 70392419), (43, 65481320), (86, 32740660), (172, 16370330), (215, 13096264), (344, 8185165), (419, 6720040), (430, 6548132), (838, 3360020), (860, 3274066), (1676, 1680010), (1720, 1637033), (2095, 1344008), (3352, 840005), (3907, 720680), (4190, 672004), (7814, 360340), (8380, 336002), (15628, 180170), (16760, 168001), (18017, 156280), (19535, 144136), (31256, 90085), (36034, 78140), (39070, 72068)]