15681720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{130681}}^1$

素因数の和:130695

約数の個数: 32

約数和(自身を含む): 47045520

約数和(自身を除く): 31363800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 130681, 261362, 392043, 522724, 653405, 784086, 1045448, 1306810, 1568172, 1960215, 2613620, 3136344, 3920430, 5227240, 7840860, 15681720]

約数ペア:

[(1, 15681720), (2, 7840860), (3, 5227240), (4, 3920430), (5, 3136344), (6, 2613620), (8, 1960215), (10, 1568172), (12, 1306810), (15, 1045448), (20, 784086), (24, 653405), (30, 522724), (40, 392043), (60, 261362), (120, 130681)]