628958960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{38729}}^1$

素因数の和:38778

約数の個数: 80

約数和(自身を含む): 1728907200

約数和(自身を除く): 1099948240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 38729, 77458, 154916, 193645, 271103, 309832, 387290, 542206, 619664, 774580, 1084412, 1123141, 1355515, 1549160, 2168824, 2246282, 2711030, 3098320, 4337648, 4492564, 5422060, 5615705, 7861987, 8985128, 10844120, 11231410, 15723974, 17970256, 21688240, 22462820, 31447948, 39309935, 44925640, 62895896, 78619870, 89851280, 125791792, 157239740, 314479480, 628958960]

約数ペア:

[(1, 628958960), (2, 314479480), (4, 157239740), (5, 125791792), (7, 89851280), (8, 78619870), (10, 62895896), (14, 44925640), (16, 39309935), (20, 31447948), (28, 22462820), (29, 21688240), (35, 17970256), (40, 15723974), (56, 11231410), (58, 10844120), (70, 8985128), (80, 7861987), (112, 5615705), (116, 5422060), (140, 4492564), (145, 4337648), (203, 3098320), (232, 2711030), (280, 2246282), (290, 2168824), (406, 1549160), (464, 1355515), (560, 1123141), (580, 1084412), (812, 774580), (1015, 619664), (1160, 542206), (1624, 387290), (2030, 309832), (2320, 271103), (3248, 193645), (4060, 154916), (8120, 77458), (16240, 38729)]