820071570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{1889}}^1$

素因数の和:2427

約数の個数: 64

約数和(自身を含む): 2041200000

約数和(自身を除く): 1221128430

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 499, 870, 998, 1497, 1889, 2495, 2994, 3778, 4990, 5667, 7485, 9445, 11334, 14471, 14970, 18890, 28335, 28942, 43413, 54781, 56670, 72355, 86826, 109562, 144710, 164343, 217065, 273905, 328686, 434130, 547810, 821715, 942611, 1643430, 1885222, 2827833, 4713055, 5655666, 9426110, 14139165, 27335719, 28278330, 54671438, 82007157, 136678595, 164014314, 273357190, 410035785, 820071570]

約数ペア:

[(1, 820071570), (2, 410035785), (3, 273357190), (5, 164014314), (6, 136678595), (10, 82007157), (15, 54671438), (29, 28278330), (30, 27335719), (58, 14139165), (87, 9426110), (145, 5655666), (174, 4713055), (290, 2827833), (435, 1885222), (499, 1643430), (870, 942611), (998, 821715), (1497, 547810), (1889, 434130), (2495, 328686), (2994, 273905), (3778, 217065), (4990, 164343), (5667, 144710), (7485, 109562), (9445, 86826), (11334, 72355), (14471, 56670), (14970, 54781), (18890, 43413), (28335, 28942)]