28155660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36097}}^1$

素因数の和:36122

約数の個数: 48

約数和(自身を含む): 84902496

約数和(自身を除く): 56746836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 36097, 72194, 108291, 144388, 180485, 216582, 360970, 433164, 469261, 541455, 721940, 938522, 1082910, 1407783, 1877044, 2165820, 2346305, 2815566, 4692610, 5631132, 7038915, 9385220, 14077830, 28155660]

約数ペア:

[(1, 28155660), (2, 14077830), (3, 9385220), (4, 7038915), (5, 5631132), (6, 4692610), (10, 2815566), (12, 2346305), (13, 2165820), (15, 1877044), (20, 1407783), (26, 1082910), (30, 938522), (39, 721940), (52, 541455), (60, 469261), (65, 433164), (78, 360970), (130, 216582), (156, 180485), (195, 144388), (260, 108291), (390, 72194), (780, 36097)]