61261620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{145861}}^1$

素因数の和:145880

約数の個数: 48

約数和(自身を含む): 196038528

約数和(自身を除く): 134776908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 145861, 291722, 437583, 583444, 729305, 875166, 1021027, 1458610, 1750332, 2042054, 2187915, 2917220, 3063081, 4084108, 4375830, 5105135, 6126162, 8751660, 10210270, 12252324, 15315405, 20420540, 30630810, 61261620]

約数ペア:

[(1, 61261620), (2, 30630810), (3, 20420540), (4, 15315405), (5, 12252324), (6, 10210270), (7, 8751660), (10, 6126162), (12, 5105135), (14, 4375830), (15, 4084108), (20, 3063081), (21, 2917220), (28, 2187915), (30, 2042054), (35, 1750332), (42, 1458610), (60, 1021027), (70, 875166), (84, 729305), (105, 583444), (140, 437583), (210, 291722), (420, 145861)]