15695513980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{181619}}^1$

素因数の和:181806

約数の個数: 48

約数和(自身を含む): 34326180000

約数和(自身を除く): 18630666020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 4321, 8642, 17284, 21605, 43210, 86420, 181619, 363238, 726476, 908095, 1816190, 3632380, 5266951, 10533902, 21067804, 26334755, 27061231, 52669510, 54122462, 105339020, 108244924, 135306155, 270612310, 541224620, 784775699, 1569551398, 3139102796, 3923878495, 7847756990, 15695513980]

約数ペア:

[(1, 15695513980), (2, 7847756990), (4, 3923878495), (5, 3139102796), (10, 1569551398), (20, 784775699), (29, 541224620), (58, 270612310), (116, 135306155), (145, 108244924), (149, 105339020), (290, 54122462), (298, 52669510), (580, 27061231), (596, 26334755), (745, 21067804), (1490, 10533902), (2980, 5266951), (4321, 3632380), (8642, 1816190), (17284, 908095), (21605, 726476), (43210, 363238), (86420, 181619)]