180266920

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{6199}}^1$

素因数の和:6937

約数の個数: 32

約数和(自身を含む): 406224000

約数和(自身を除く): 225957080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 6199, 7270, 12398, 14540, 24796, 29080, 30995, 49592, 61990, 123980, 247960, 4506673, 9013346, 18026692, 22533365, 36053384, 45066730, 90133460, 180266920]

約数ペア:

[(1, 180266920), (2, 90133460), (4, 45066730), (5, 36053384), (8, 22533365), (10, 18026692), (20, 9013346), (40, 4506673), (727, 247960), (1454, 123980), (2908, 61990), (3635, 49592), (5816, 30995), (6199, 29080), (7270, 24796), (12398, 14540)]