15287740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4523}}^1$

素因数の和:4558

約数の個数: 36

約数和(自身を含む): 34771464

約数和(自身を除く): 19483724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4523, 9046, 18092, 22615, 45230, 58799, 90460, 117598, 235196, 293995, 587990, 764387, 1175980, 1528774, 3057548, 3821935, 7643870, 15287740]

約数ペア:

[(1, 15287740), (2, 7643870), (4, 3821935), (5, 3057548), (10, 1528774), (13, 1175980), (20, 764387), (26, 587990), (52, 293995), (65, 235196), (130, 117598), (169, 90460), (260, 58799), (338, 45230), (676, 22615), (845, 18092), (1690, 9046), (3380, 4523)]