64340820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1319}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 196035840

約数和(自身を除く): 131695020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1319, 1355, 1626, 2439, 2638, 2710, 3252, 3957, 4065, 4878, 5276, 5420, 6595, 7914, 8130, 9756, 11871, 12195, 13190, 15828, 16260, 19785, 23742, 24390, 26380, 39570, 47484, 48780, 59355, 79140, 118710, 237420, 357449, 714898, 1072347, 1429796, 1787245, 2144694, 3217041, 3574490, 4289388, 5361735, 6434082, 7148980, 10723470, 12868164, 16085205, 21446940, 32170410, 64340820]

約数ペア:

[(1, 64340820), (2, 32170410), (3, 21446940), (4, 16085205), (5, 12868164), (6, 10723470), (9, 7148980), (10, 6434082), (12, 5361735), (15, 4289388), (18, 3574490), (20, 3217041), (30, 2144694), (36, 1787245), (45, 1429796), (60, 1072347), (90, 714898), (180, 357449), (271, 237420), (542, 118710), (813, 79140), (1084, 59355), (1319, 48780), (1355, 47484), (1626, 39570), (2439, 26380), (2638, 24390), (2710, 23742), (3252, 19785), (3957, 16260), (4065, 15828), (4878, 13190), (5276, 12195), (5420, 11871), (6595, 9756), (7914, 8130)]