21568080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89867}}^1$

素因数の和:89883

約数の個数: 40

約数和(自身を含む): 66861792

約数和(自身を除く): 45293712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89867, 179734, 269601, 359468, 449335, 539202, 718936, 898670, 1078404, 1348005, 1437872, 1797340, 2156808, 2696010, 3594680, 4313616, 5392020, 7189360, 10784040, 21568080]

約数ペア:

[(1, 21568080), (2, 10784040), (3, 7189360), (4, 5392020), (5, 4313616), (6, 3594680), (8, 2696010), (10, 2156808), (12, 1797340), (15, 1437872), (16, 1348005), (20, 1078404), (24, 898670), (30, 718936), (40, 539202), (48, 449335), (60, 359468), (80, 269601), (120, 179734), (240, 89867)]