256458480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1068577}}^1$

素因数の和:1068593

約数の個数: 40

約数和(自身を含む): 795022032

約数和(自身を除く): 538563552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1068577, 2137154, 3205731, 4274308, 5342885, 6411462, 8548616, 10685770, 12822924, 16028655, 17097232, 21371540, 25645848, 32057310, 42743080, 51291696, 64114620, 85486160, 128229240, 256458480]

約数ペア:

[(1, 256458480), (2, 128229240), (3, 85486160), (4, 64114620), (5, 51291696), (6, 42743080), (8, 32057310), (10, 25645848), (12, 21371540), (15, 17097232), (16, 16028655), (20, 12822924), (24, 10685770), (30, 8548616), (40, 6411462), (48, 5342885), (60, 4274308), (80, 3205731), (120, 2137154), (240, 1068577)]