81741060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1949}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 249139800

約数和(自身を除く): 167398740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 466, 699, 932, 1165, 1398, 1949, 2097, 2330, 2796, 3495, 3898, 4194, 4660, 5847, 6990, 7796, 8388, 9745, 10485, 11694, 13980, 17541, 19490, 20970, 23388, 29235, 35082, 38980, 41940, 58470, 70164, 87705, 116940, 175410, 350820, 454117, 908234, 1362351, 1816468, 2270585, 2724702, 4087053, 4541170, 5449404, 6811755, 8174106, 9082340, 13623510, 16348212, 20435265, 27247020, 40870530, 81741060]

約数ペア:

[(1, 81741060), (2, 40870530), (3, 27247020), (4, 20435265), (5, 16348212), (6, 13623510), (9, 9082340), (10, 8174106), (12, 6811755), (15, 5449404), (18, 4541170), (20, 4087053), (30, 2724702), (36, 2270585), (45, 1816468), (60, 1362351), (90, 908234), (180, 454117), (233, 350820), (466, 175410), (699, 116940), (932, 87705), (1165, 70164), (1398, 58470), (1949, 41940), (2097, 38980), (2330, 35082), (2796, 29235), (3495, 23388), (3898, 20970), (4194, 19490), (4660, 17541), (5847, 13980), (6990, 11694), (7796, 10485), (8388, 9745)]