1528280780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{189613}}^1$

素因数の和:189666

約数の個数: 48

約数和(自身を含む): 3567777024

約数和(自身を除く): 2039496244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 189613, 379226, 758452, 948065, 1896130, 2464969, 3792260, 4929938, 5878003, 9859876, 11756006, 12324845, 23512012, 24649690, 29390015, 49299380, 58780030, 76414039, 117560060, 152828078, 305656156, 382070195, 764140390, 1528280780]

約数ペア:

[(1, 1528280780), (2, 764140390), (4, 382070195), (5, 305656156), (10, 152828078), (13, 117560060), (20, 76414039), (26, 58780030), (31, 49299380), (52, 29390015), (62, 24649690), (65, 23512012), (124, 12324845), (130, 11756006), (155, 9859876), (260, 5878003), (310, 4929938), (403, 3792260), (620, 2464969), (806, 1896130), (1612, 948065), (2015, 758452), (4030, 379226), (8060, 189613)]