61845980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15233}}^1$

素因数の和:15278

約数の個数: 48

約数和(自身を含む): 153558720

約数和(自身を除く): 91712740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15233, 30466, 60932, 76165, 106631, 152330, 213262, 304660, 426524, 441757, 533155, 883514, 1066310, 1767028, 2132620, 2208785, 3092299, 4417570, 6184598, 8835140, 12369196, 15461495, 30922990, 61845980]

約数ペア:

[(1, 61845980), (2, 30922990), (4, 15461495), (5, 12369196), (7, 8835140), (10, 6184598), (14, 4417570), (20, 3092299), (28, 2208785), (29, 2132620), (35, 1767028), (58, 1066310), (70, 883514), (116, 533155), (140, 441757), (145, 426524), (203, 304660), (290, 213262), (406, 152330), (580, 106631), (812, 76165), (1015, 60932), (2030, 30466), (4060, 15233)]