2015574820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{70921}}^1$

素因数の和:70973

約数の個数: 72

約数和(自身を含む): 5093618040

約数和(自身を除く): 3078043220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 70921, 141842, 283684, 354605, 496447, 709210, 992894, 1418420, 1985788, 2056709, 2482235, 3475129, 4113418, 4964470, 6950258, 8226836, 9928940, 10283545, 13900516, 14396963, 17375645, 20567090, 28793926, 34751290, 41134180, 57587852, 69502580, 71984815, 100778741, 143969630, 201557482, 287939260, 403114964, 503893705, 1007787410, 2015574820]

約数ペア:

[(1, 2015574820), (2, 1007787410), (4, 503893705), (5, 403114964), (7, 287939260), (10, 201557482), (14, 143969630), (20, 100778741), (28, 71984815), (29, 69502580), (35, 57587852), (49, 41134180), (58, 34751290), (70, 28793926), (98, 20567090), (116, 17375645), (140, 14396963), (145, 13900516), (196, 10283545), (203, 9928940), (245, 8226836), (290, 6950258), (406, 4964470), (490, 4113418), (580, 3475129), (812, 2482235), (980, 2056709), (1015, 1985788), (1421, 1418420), (2030, 992894), (2842, 709210), (4060, 496447), (5684, 354605), (7105, 283684), (14210, 141842), (28420, 70921)]