1266780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 3636864

約数和(自身を除く): 2370084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 491, 516, 645, 860, 982, 1290, 1473, 1964, 2455, 2580, 2946, 4910, 5892, 7365, 9820, 14730, 21113, 29460, 42226, 63339, 84452, 105565, 126678, 211130, 253356, 316695, 422260, 633390, 1266780]

約数ペア:

[(1, 1266780), (2, 633390), (3, 422260), (4, 316695), (5, 253356), (6, 211130), (10, 126678), (12, 105565), (15, 84452), (20, 63339), (30, 42226), (43, 29460), (60, 21113), (86, 14730), (129, 9820), (172, 7365), (215, 5892), (258, 4910), (430, 2946), (491, 2580), (516, 2455), (645, 1964), (860, 1473), (982, 1290)]