279215340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{108223}}^1$

素因数の和:108278

約数の個数: 48

約数和(自身を含む): 799991808

約数和(自身を除く): 520776468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 108223, 216446, 324669, 432892, 541115, 649338, 1082230, 1298676, 1623345, 2164460, 3246690, 4653589, 6493380, 9307178, 13960767, 18614356, 23267945, 27921534, 46535890, 55843068, 69803835, 93071780, 139607670, 279215340]

約数ペア:

[(1, 279215340), (2, 139607670), (3, 93071780), (4, 69803835), (5, 55843068), (6, 46535890), (10, 27921534), (12, 23267945), (15, 18614356), (20, 13960767), (30, 9307178), (43, 6493380), (60, 4653589), (86, 3246690), (129, 2164460), (172, 1623345), (215, 1298676), (258, 1082230), (430, 649338), (516, 541115), (645, 432892), (860, 324669), (1290, 216446), (2580, 108223)]