28721040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{119671}}^1$

素因数の和:119687

約数の個数: 40

約数和(自身を含む): 89035968

約数和(自身を除く): 60314928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 119671, 239342, 359013, 478684, 598355, 718026, 957368, 1196710, 1436052, 1795065, 1914736, 2393420, 2872104, 3590130, 4786840, 5744208, 7180260, 9573680, 14360520, 28721040]

約数ペア:

[(1, 28721040), (2, 14360520), (3, 9573680), (4, 7180260), (5, 5744208), (6, 4786840), (8, 3590130), (10, 2872104), (12, 2393420), (15, 1914736), (16, 1795065), (20, 1436052), (24, 1196710), (30, 957368), (40, 718026), (48, 598355), (60, 478684), (80, 359013), (120, 239342), (240, 119671)]