7042020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 19840128

約数和(自身を除く): 12798108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 487, 723, 964, 974, 1205, 1446, 1461, 1948, 2410, 2435, 2892, 2922, 3615, 4820, 4870, 5844, 7230, 7305, 9740, 14460, 14610, 29220, 117367, 234734, 352101, 469468, 586835, 704202, 1173670, 1408404, 1760505, 2347340, 3521010, 7042020]

約数ペア:

[(1, 7042020), (2, 3521010), (3, 2347340), (4, 1760505), (5, 1408404), (6, 1173670), (10, 704202), (12, 586835), (15, 469468), (20, 352101), (30, 234734), (60, 117367), (241, 29220), (482, 14610), (487, 14460), (723, 9740), (964, 7305), (974, 7230), (1205, 5844), (1446, 4870), (1461, 4820), (1948, 3615), (2410, 2922), (2435, 2892)]