280521240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2337677}}^1$

素因数の和:2337691

約数の個数: 32

約数和(自身を含む): 841564080

約数和(自身を除く): 561042840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2337677, 4675354, 7013031, 9350708, 11688385, 14026062, 18701416, 23376770, 28052124, 35065155, 46753540, 56104248, 70130310, 93507080, 140260620, 280521240]

約数ペア:

[(1, 280521240), (2, 140260620), (3, 93507080), (4, 70130310), (5, 56104248), (6, 46753540), (8, 35065155), (10, 28052124), (12, 23376770), (15, 18701416), (20, 14026062), (24, 11688385), (30, 9350708), (40, 7013031), (60, 4675354), (120, 2337677)]