215536720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 574570368

約数和(自身を除く): 359033648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 557, 560, 691, 1114, 1382, 2228, 2764, 2785, 3455, 3899, 4456, 4837, 5528, 5570, 6910, 7798, 8912, 9674, 11056, 11140, 13820, 15596, 19348, 19495, 22280, 24185, 27640, 31192, 38696, 38990, 44560, 48370, 55280, 62384, 77392, 77980, 96740, 155960, 193480, 311920, 384887, 386960, 769774, 1539548, 1924435, 2694209, 3079096, 3848870, 5388418, 6158192, 7697740, 10776836, 13471045, 15395480, 21553672, 26942090, 30790960, 43107344, 53884180, 107768360, 215536720]

約数ペア:

[(1, 215536720), (2, 107768360), (4, 53884180), (5, 43107344), (7, 30790960), (8, 26942090), (10, 21553672), (14, 15395480), (16, 13471045), (20, 10776836), (28, 7697740), (35, 6158192), (40, 5388418), (56, 3848870), (70, 3079096), (80, 2694209), (112, 1924435), (140, 1539548), (280, 769774), (557, 386960), (560, 384887), (691, 311920), (1114, 193480), (1382, 155960), (2228, 96740), (2764, 77980), (2785, 77392), (3455, 62384), (3899, 55280), (4456, 48370), (4837, 44560), (5528, 38990), (5570, 38696), (6910, 31192), (7798, 27640), (8912, 24185), (9674, 22280), (11056, 19495), (11140, 19348), (13820, 15596)]