20210160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 63317376

約数和(自身を除く): 43107216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 787, 856, 1070, 1284, 1574, 1605, 1712, 2140, 2361, 2568, 3148, 3210, 3935, 4280, 4722, 5136, 6296, 6420, 7870, 8560, 9444, 11805, 12592, 12840, 15740, 18888, 23610, 25680, 31480, 37776, 47220, 62960, 84209, 94440, 168418, 188880, 252627, 336836, 421045, 505254, 673672, 842090, 1010508, 1263135, 1347344, 1684180, 2021016, 2526270, 3368360, 4042032, 5052540, 6736720, 10105080, 20210160]

約数ペア:

[(1, 20210160), (2, 10105080), (3, 6736720), (4, 5052540), (5, 4042032), (6, 3368360), (8, 2526270), (10, 2021016), (12, 1684180), (15, 1347344), (16, 1263135), (20, 1010508), (24, 842090), (30, 673672), (40, 505254), (48, 421045), (60, 336836), (80, 252627), (107, 188880), (120, 168418), (214, 94440), (240, 84209), (321, 62960), (428, 47220), (535, 37776), (642, 31480), (787, 25680), (856, 23610), (1070, 18888), (1284, 15740), (1574, 12840), (1605, 12592), (1712, 11805), (2140, 9444), (2361, 8560), (2568, 7870), (3148, 6420), (3210, 6296), (3935, 5136), (4280, 4722)]