15522980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 21019036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1907, 2035, 3814, 4070, 7628, 8140, 9535, 19070, 20977, 38140, 41954, 70559, 83908, 104885, 141118, 209770, 282236, 352795, 419540, 705590, 776149, 1411180, 1552298, 3104596, 3880745, 7761490, 15522980]

約数ペア:

[(1, 15522980), (2, 7761490), (4, 3880745), (5, 3104596), (10, 1552298), (11, 1411180), (20, 776149), (22, 705590), (37, 419540), (44, 352795), (55, 282236), (74, 209770), (110, 141118), (148, 104885), (185, 83908), (220, 70559), (370, 41954), (407, 38140), (740, 20977), (814, 19070), (1628, 9535), (1907, 8140), (2035, 7628), (3814, 4070)]