8490780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 26378352

約数和(自身を除く): 17887572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1097, 1290, 1548, 1935, 2194, 2580, 3291, 3870, 4388, 5485, 6582, 7740, 9873, 10970, 13164, 16455, 19746, 21940, 32910, 39492, 47171, 49365, 65820, 94342, 98730, 141513, 188684, 197460, 235855, 283026, 424539, 471710, 566052, 707565, 849078, 943420, 1415130, 1698156, 2122695, 2830260, 4245390, 8490780]

約数ペア:

[(1, 8490780), (2, 4245390), (3, 2830260), (4, 2122695), (5, 1698156), (6, 1415130), (9, 943420), (10, 849078), (12, 707565), (15, 566052), (18, 471710), (20, 424539), (30, 283026), (36, 235855), (43, 197460), (45, 188684), (60, 141513), (86, 98730), (90, 94342), (129, 65820), (172, 49365), (180, 47171), (215, 39492), (258, 32910), (387, 21940), (430, 19746), (516, 16455), (645, 13164), (774, 10970), (860, 9873), (1097, 7740), (1290, 6582), (1548, 5485), (1935, 4388), (2194, 3870), (2580, 3291)]