61578020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{523}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 153351744

約数和(自身を除く): 91773724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 523, 580, 812, 841, 1015, 1046, 1682, 2030, 2092, 2615, 3364, 3661, 4060, 4205, 5230, 5887, 7322, 8410, 10460, 11774, 14644, 15167, 16820, 18305, 23548, 29435, 30334, 36610, 58870, 60668, 73220, 75835, 106169, 117740, 151670, 212338, 303340, 424676, 439843, 530845, 879686, 1061690, 1759372, 2123380, 2199215, 3078901, 4398430, 6157802, 8796860, 12315604, 15394505, 30789010, 61578020]

約数ペア:

[(1, 61578020), (2, 30789010), (4, 15394505), (5, 12315604), (7, 8796860), (10, 6157802), (14, 4398430), (20, 3078901), (28, 2199215), (29, 2123380), (35, 1759372), (58, 1061690), (70, 879686), (116, 530845), (140, 439843), (145, 424676), (203, 303340), (290, 212338), (406, 151670), (523, 117740), (580, 106169), (812, 75835), (841, 73220), (1015, 60668), (1046, 58870), (1682, 36610), (2030, 30334), (2092, 29435), (2615, 23548), (3364, 18305), (3661, 16820), (4060, 15167), (4205, 14644), (5230, 11774), (5887, 10460), (7322, 8410)]