80446980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31181}}^1$

素因数の和:31236

約数の個数: 48

約数和(自身を含む): 230497344

約数和(自身を除く): 150050364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 31181, 62362, 93543, 124724, 155905, 187086, 311810, 374172, 467715, 623620, 935430, 1340783, 1870860, 2681566, 4022349, 5363132, 6703915, 8044698, 13407830, 16089396, 20111745, 26815660, 40223490, 80446980]

約数ペア:

[(1, 80446980), (2, 40223490), (3, 26815660), (4, 20111745), (5, 16089396), (6, 13407830), (10, 8044698), (12, 6703915), (15, 5363132), (20, 4022349), (30, 2681566), (43, 1870860), (60, 1340783), (86, 935430), (129, 623620), (172, 467715), (215, 374172), (258, 311810), (430, 187086), (516, 155905), (645, 124724), (860, 93543), (1290, 62362), (2580, 31181)]