156788820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2069}}^1$

素因数の和:2505

約数の個数: 72

約数和(自身を含む): 476952840

約数和(自身を除く): 320164020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2069, 2105, 2526, 3789, 4138, 4210, 5052, 6207, 6315, 7578, 8276, 8420, 10345, 12414, 12630, 15156, 18621, 18945, 20690, 24828, 25260, 31035, 37242, 37890, 41380, 62070, 74484, 75780, 93105, 124140, 186210, 372420, 871049, 1742098, 2613147, 3484196, 4355245, 5226294, 7839441, 8710490, 10452588, 13065735, 15678882, 17420980, 26131470, 31357764, 39197205, 52262940, 78394410, 156788820]

約数ペア:

[(1, 156788820), (2, 78394410), (3, 52262940), (4, 39197205), (5, 31357764), (6, 26131470), (9, 17420980), (10, 15678882), (12, 13065735), (15, 10452588), (18, 8710490), (20, 7839441), (30, 5226294), (36, 4355245), (45, 3484196), (60, 2613147), (90, 1742098), (180, 871049), (421, 372420), (842, 186210), (1263, 124140), (1684, 93105), (2069, 75780), (2105, 74484), (2526, 62070), (3789, 41380), (4138, 37890), (4210, 37242), (5052, 31035), (6207, 25260), (6315, 24828), (7578, 20690), (8276, 18945), (8420, 18621), (10345, 15156), (12414, 12630)]