1561120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 4027968

約数和(自身を除く): 2466848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 887, 1760, 1774, 3548, 4435, 7096, 8870, 9757, 14192, 17740, 19514, 28384, 35480, 39028, 48785, 70960, 78056, 97570, 141920, 156112, 195140, 312224, 390280, 780560, 1561120]

約数ペア:

[(1, 1561120), (2, 780560), (4, 390280), (5, 312224), (8, 195140), (10, 156112), (11, 141920), (16, 97570), (20, 78056), (22, 70960), (32, 48785), (40, 39028), (44, 35480), (55, 28384), (80, 19514), (88, 17740), (110, 14192), (160, 9757), (176, 8870), (220, 7096), (352, 4435), (440, 3548), (880, 1774), (887, 1760)]