156957640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5779}}^1$

素因数の和:5894

約数の個数: 64

約数和(自身を含む): 407836800

約数和(自身を除く): 250879160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 5779, 6790, 11558, 13580, 23116, 27160, 28895, 40453, 46232, 57790, 80906, 115580, 161812, 202265, 231160, 323624, 404530, 560563, 809060, 1121126, 1618120, 2242252, 2802815, 3923941, 4484504, 5605630, 7847882, 11211260, 15695764, 19619705, 22422520, 31391528, 39239410, 78478820, 156957640]

約数ペア:

[(1, 156957640), (2, 78478820), (4, 39239410), (5, 31391528), (7, 22422520), (8, 19619705), (10, 15695764), (14, 11211260), (20, 7847882), (28, 5605630), (35, 4484504), (40, 3923941), (56, 2802815), (70, 2242252), (97, 1618120), (140, 1121126), (194, 809060), (280, 560563), (388, 404530), (485, 323624), (679, 231160), (776, 202265), (970, 161812), (1358, 115580), (1940, 80906), (2716, 57790), (3395, 46232), (3880, 40453), (5432, 28895), (5779, 27160), (6790, 23116), (11558, 13580)]