389955120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1624813}}^1$

素因数の和:1624829

約数の個数: 40

約数和(自身を含む): 1208861616

約数和(自身を除く): 818906496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1624813, 3249626, 4874439, 6499252, 8124065, 9748878, 12998504, 16248130, 19497756, 24372195, 25997008, 32496260, 38995512, 48744390, 64992520, 77991024, 97488780, 129985040, 194977560, 389955120]

約数ペア:

[(1, 389955120), (2, 194977560), (3, 129985040), (4, 97488780), (5, 77991024), (6, 64992520), (8, 48744390), (10, 38995512), (12, 32496260), (15, 25997008), (16, 24372195), (20, 19497756), (24, 16248130), (30, 12998504), (40, 9748878), (48, 8124065), (60, 6499252), (80, 4874439), (120, 3249626), (240, 1624813)]