15695430820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{76481}}^1$

素因数の和:76852

約数の個数: 48

約数和(自身を含む): 34126880256

約数和(自身を除く): 18431449436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 620, 662, 1324, 1655, 3310, 6620, 10261, 20522, 41044, 51305, 76481, 102610, 152962, 205220, 305924, 382405, 764810, 1529620, 2370911, 4741822, 9483644, 11854555, 23709110, 25315211, 47418220, 50630422, 101260844, 126576055, 253152110, 506304220, 784771541, 1569543082, 3139086164, 3923857705, 7847715410, 15695430820]

約数ペア:

[(1, 15695430820), (2, 7847715410), (4, 3923857705), (5, 3139086164), (10, 1569543082), (20, 784771541), (31, 506304220), (62, 253152110), (124, 126576055), (155, 101260844), (310, 50630422), (331, 47418220), (620, 25315211), (662, 23709110), (1324, 11854555), (1655, 9483644), (3310, 4741822), (6620, 2370911), (10261, 1529620), (20522, 764810), (41044, 382405), (51305, 305924), (76481, 205220), (102610, 152962)]