77115640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9497}}^1$

素因数の和:9544

約数の個数: 64

約数和(自身を含む): 205156800

約数和(自身を除く): 128041160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9497, 18994, 37988, 47485, 66479, 75976, 94970, 132958, 189940, 265916, 275413, 332395, 379880, 531832, 550826, 664790, 1101652, 1329580, 1377065, 1927891, 2203304, 2659160, 2754130, 3855782, 5508260, 7711564, 9639455, 11016520, 15423128, 19278910, 38557820, 77115640]

約数ペア:

[(1, 77115640), (2, 38557820), (4, 19278910), (5, 15423128), (7, 11016520), (8, 9639455), (10, 7711564), (14, 5508260), (20, 3855782), (28, 2754130), (29, 2659160), (35, 2203304), (40, 1927891), (56, 1377065), (58, 1329580), (70, 1101652), (116, 664790), (140, 550826), (145, 531832), (203, 379880), (232, 332395), (280, 275413), (290, 265916), (406, 189940), (580, 132958), (812, 94970), (1015, 75976), (1160, 66479), (1624, 47485), (2030, 37988), (4060, 18994), (8120, 9497)]