15727270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 30663360

約数和(自身を除く): 14936090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 389, 622, 778, 1555, 1945, 3110, 3890, 4043, 5057, 8086, 10114, 20215, 25285, 40430, 50570, 120979, 241958, 604895, 1209790, 1572727, 3145454, 7863635, 15727270]

約数ペア:

[(1, 15727270), (2, 7863635), (5, 3145454), (10, 1572727), (13, 1209790), (26, 604895), (65, 241958), (130, 120979), (311, 50570), (389, 40430), (622, 25285), (778, 20215), (1555, 10114), (1945, 8086), (3110, 5057), (3890, 4043)]