15145780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 36

約数和(自身を含む): 34448652

約数和(自身を除く): 19302872

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4481, 8962, 17924, 22405, 44810, 58253, 89620, 116506, 233012, 291265, 582530, 757289, 1165060, 1514578, 3029156, 3786445, 7572890, 15145780]

約数ペア:

[(1, 15145780), (2, 7572890), (4, 3786445), (5, 3029156), (10, 1514578), (13, 1165060), (20, 757289), (26, 582530), (52, 291265), (65, 233012), (130, 116506), (169, 89620), (260, 58253), (338, 44810), (676, 22405), (845, 17924), (1690, 8962), (3380, 4481)]