156665960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32369}}^1$

素因数の和:32402

約数の個数: 48

約数和(自身を含む): 387468900

約数和(自身を除く): 230802940

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 32369, 64738, 129476, 161845, 258952, 323690, 356059, 647380, 712118, 1294760, 1424236, 1780295, 2848472, 3560590, 3916649, 7121180, 7833298, 14242360, 15666596, 19583245, 31333192, 39166490, 78332980, 156665960]

約数ペア:

[(1, 156665960), (2, 78332980), (4, 39166490), (5, 31333192), (8, 19583245), (10, 15666596), (11, 14242360), (20, 7833298), (22, 7121180), (40, 3916649), (44, 3560590), (55, 2848472), (88, 1780295), (110, 1424236), (121, 1294760), (220, 712118), (242, 647380), (440, 356059), (484, 323690), (605, 258952), (968, 161845), (1210, 129476), (2420, 64738), (4840, 32369)]