15374980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 18332540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 263, 316, 370, 395, 526, 740, 790, 1052, 1315, 1580, 2630, 2923, 5260, 5846, 9731, 11692, 14615, 19462, 20777, 29230, 38924, 41554, 48655, 58460, 83108, 97310, 103885, 194620, 207770, 415540, 768749, 1537498, 3074996, 3843745, 7687490, 15374980]

約数ペア:

[(1, 15374980), (2, 7687490), (4, 3843745), (5, 3074996), (10, 1537498), (20, 768749), (37, 415540), (74, 207770), (79, 194620), (148, 103885), (158, 97310), (185, 83108), (263, 58460), (316, 48655), (370, 41554), (395, 38924), (526, 29230), (740, 20777), (790, 19462), (1052, 14615), (1315, 11692), (1580, 9731), (2630, 5846), (2923, 5260)]