15100820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 38878560

約数和(自身を除く): 23777740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 811, 931, 980, 1330, 1622, 1862, 2660, 3244, 3724, 4055, 4655, 5677, 8110, 9310, 11354, 15409, 16220, 18620, 22708, 28385, 30818, 39739, 56770, 61636, 77045, 79478, 107863, 113540, 154090, 158956, 198695, 215726, 308180, 397390, 431452, 539315, 755041, 794780, 1078630, 1510082, 2157260, 3020164, 3775205, 7550410, 15100820]

約数ペア:

[(1, 15100820), (2, 7550410), (4, 3775205), (5, 3020164), (7, 2157260), (10, 1510082), (14, 1078630), (19, 794780), (20, 755041), (28, 539315), (35, 431452), (38, 397390), (49, 308180), (70, 215726), (76, 198695), (95, 158956), (98, 154090), (133, 113540), (140, 107863), (190, 79478), (196, 77045), (245, 61636), (266, 56770), (380, 39739), (490, 30818), (532, 28385), (665, 22708), (811, 18620), (931, 16220), (980, 15409), (1330, 11354), (1622, 9310), (1862, 8110), (2660, 5677), (3244, 4655), (3724, 4055)]