131815726280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{561109}}^1$

素因数の和:561966

約数の個数: 64

約数和(自身を含む): 339359328000

約数和(自身を除く): 207543601720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 839, 1678, 3356, 4195, 5873, 6712, 8390, 11746, 16780, 23492, 29365, 33560, 46984, 58730, 117460, 234920, 561109, 1122218, 2244436, 2805545, 3927763, 4488872, 5611090, 7855526, 11222180, 15711052, 19638815, 22444360, 31422104, 39277630, 78555260, 157110520, 470770451, 941540902, 1883081804, 2353852255, 3295393157, 3766163608, 4707704510, 6590786314, 9415409020, 13181572628, 16476965785, 18830818040, 26363145256, 32953931570, 65907863140, 131815726280]

約数ペア:

[(1, 131815726280), (2, 65907863140), (4, 32953931570), (5, 26363145256), (7, 18830818040), (8, 16476965785), (10, 13181572628), (14, 9415409020), (20, 6590786314), (28, 4707704510), (35, 3766163608), (40, 3295393157), (56, 2353852255), (70, 1883081804), (140, 941540902), (280, 470770451), (839, 157110520), (1678, 78555260), (3356, 39277630), (4195, 31422104), (5873, 22444360), (6712, 19638815), (8390, 15711052), (11746, 11222180), (16780, 7855526), (23492, 5611090), (29365, 4488872), (33560, 3927763), (46984, 2805545), (58730, 2244436), (117460, 1122218), (234920, 561109)]