15690620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 36475488

約数和(自身を除く): 20784868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 977, 1460, 1606, 1954, 3212, 3908, 4015, 4885, 8030, 9770, 10747, 16060, 19540, 21494, 42988, 53735, 71321, 107470, 142642, 214940, 285284, 356605, 713210, 784531, 1426420, 1569062, 3138124, 3922655, 7845310, 15690620]

約数ペア:

[(1, 15690620), (2, 7845310), (4, 3922655), (5, 3138124), (10, 1569062), (11, 1426420), (20, 784531), (22, 713210), (44, 356605), (55, 285284), (73, 214940), (110, 142642), (146, 107470), (220, 71321), (292, 53735), (365, 42988), (730, 21494), (803, 19540), (977, 16060), (1460, 10747), (1606, 9770), (1954, 8030), (3212, 4885), (3908, 4015)]