212260440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252691}}^1$

素因数の和:252712

約数の個数: 64

約数和(自身を含む): 727752960

約数和(自身を除く): 515492520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 252691, 505382, 758073, 1010764, 1263455, 1516146, 1768837, 2021528, 2526910, 3032292, 3537674, 3790365, 5053820, 5306511, 6064584, 7075348, 7580730, 8844185, 10107640, 10613022, 14150696, 15161460, 17688370, 21226044, 26532555, 30322920, 35376740, 42452088, 53065110, 70753480, 106130220, 212260440]

約数ペア:

[(1, 212260440), (2, 106130220), (3, 70753480), (4, 53065110), (5, 42452088), (6, 35376740), (7, 30322920), (8, 26532555), (10, 21226044), (12, 17688370), (14, 15161460), (15, 14150696), (20, 10613022), (21, 10107640), (24, 8844185), (28, 7580730), (30, 7075348), (35, 6064584), (40, 5306511), (42, 5053820), (56, 3790365), (60, 3537674), (70, 3032292), (84, 2526910), (105, 2021528), (120, 1768837), (140, 1516146), (168, 1263455), (210, 1010764), (280, 758073), (420, 505382), (840, 252691)]