209806680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3343}}^1$

素因数の和:3880

約数の個数: 64

約数和(自身を含む): 630812160

約数和(自身を除く): 421005480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 523, 1046, 1569, 2092, 2615, 3138, 3343, 4184, 5230, 6276, 6686, 7845, 10029, 10460, 12552, 13372, 15690, 16715, 20058, 20920, 26744, 31380, 33430, 40116, 50145, 62760, 66860, 80232, 100290, 133720, 200580, 401160, 1748389, 3496778, 5245167, 6993556, 8741945, 10490334, 13987112, 17483890, 20980668, 26225835, 34967780, 41961336, 52451670, 69935560, 104903340, 209806680]

約数ペア:

[(1, 209806680), (2, 104903340), (3, 69935560), (4, 52451670), (5, 41961336), (6, 34967780), (8, 26225835), (10, 20980668), (12, 17483890), (15, 13987112), (20, 10490334), (24, 8741945), (30, 6993556), (40, 5245167), (60, 3496778), (120, 1748389), (523, 401160), (1046, 200580), (1569, 133720), (2092, 100290), (2615, 80232), (3138, 66860), (3343, 62760), (4184, 50145), (5230, 40116), (6276, 33430), (6686, 31380), (7845, 26744), (10029, 20920), (10460, 20058), (12552, 16715), (13372, 15690)]