639681720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5330681}}^1$

素因数の和:5330695

約数の個数: 32

約数和(自身を含む): 1919045520

約数和(自身を除く): 1279363800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5330681, 10661362, 15992043, 21322724, 26653405, 31984086, 42645448, 53306810, 63968172, 79960215, 106613620, 127936344, 159920430, 213227240, 319840860, 639681720]

約数ペア:

[(1, 639681720), (2, 319840860), (3, 213227240), (4, 159920430), (5, 127936344), (6, 106613620), (8, 79960215), (10, 63968172), (12, 53306810), (15, 42645448), (20, 31984086), (24, 26653405), (30, 21322724), (40, 15992043), (60, 10661362), (120, 5330681)]