61961560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 145566720

約数和(自身を除く): 83605160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 467, 535, 620, 856, 934, 1070, 1240, 1868, 2140, 2335, 3317, 3736, 4280, 4670, 6634, 9340, 13268, 14477, 16585, 18680, 26536, 28954, 33170, 49969, 57908, 66340, 72385, 99938, 115816, 132680, 144770, 199876, 249845, 289540, 399752, 499690, 579080, 999380, 1549039, 1998760, 3098078, 6196156, 7745195, 12392312, 15490390, 30980780, 61961560]

約数ペア:

[(1, 61961560), (2, 30980780), (4, 15490390), (5, 12392312), (8, 7745195), (10, 6196156), (20, 3098078), (31, 1998760), (40, 1549039), (62, 999380), (107, 579080), (124, 499690), (155, 399752), (214, 289540), (248, 249845), (310, 199876), (428, 144770), (467, 132680), (535, 115816), (620, 99938), (856, 72385), (934, 66340), (1070, 57908), (1240, 49969), (1868, 33170), (2140, 28954), (2335, 26536), (3317, 18680), (3736, 16585), (4280, 14477), (4670, 13268), (6634, 9340)]