159765980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 372831984

約数和(自身を除く): 213066004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 214, 220, 242, 428, 484, 535, 605, 617, 1070, 1177, 1210, 1234, 2140, 2354, 2420, 2468, 3085, 4708, 5885, 6170, 6787, 11770, 12340, 12947, 13574, 23540, 25894, 27148, 33935, 51788, 64735, 66019, 67870, 74657, 129470, 132038, 135740, 149314, 258940, 264076, 298628, 330095, 373285, 660190, 726209, 746570, 1320380, 1452418, 1493140, 2904836, 3631045, 7262090, 7988299, 14524180, 15976598, 31953196, 39941495, 79882990, 159765980]

約数ペア:

[(1, 159765980), (2, 79882990), (4, 39941495), (5, 31953196), (10, 15976598), (11, 14524180), (20, 7988299), (22, 7262090), (44, 3631045), (55, 2904836), (107, 1493140), (110, 1452418), (121, 1320380), (214, 746570), (220, 726209), (242, 660190), (428, 373285), (484, 330095), (535, 298628), (605, 264076), (617, 258940), (1070, 149314), (1177, 135740), (1210, 132038), (1234, 129470), (2140, 74657), (2354, 67870), (2420, 66019), (2468, 64735), (3085, 51788), (4708, 33935), (5885, 27148), (6170, 25894), (6787, 23540), (11770, 13574), (12340, 12947)]