280886520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2340721}}^1$

素因数の和:2340735

約数の個数: 32

約数和(自身を含む): 842659920

約数和(自身を除く): 561773400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2340721, 4681442, 7022163, 9362884, 11703605, 14044326, 18725768, 23407210, 28088652, 35110815, 46814420, 56177304, 70221630, 93628840, 140443260, 280886520]

約数ペア:

[(1, 280886520), (2, 140443260), (3, 93628840), (4, 70221630), (5, 56177304), (6, 46814420), (8, 35110815), (10, 28088652), (12, 23407210), (15, 18725768), (20, 14044326), (24, 11703605), (30, 9362884), (40, 7022163), (60, 4681442), (120, 2340721)]