128482760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15823}}^1$

素因数の和:15870

約数の個数: 64

約数和(自身を含む): 341798400

約数和(自身を除く): 213315640

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, 15823, 31646, 63292, 79115, 110761, 126584, 158230, 221522, 316460, 443044, 458867, 553805, 632920, 886088, 917734, 1107610, 1835468, 2215220, 2294335, 3212069, 3670936, 4430440, 4588670, 6424138, 9177340, 12848276, 16060345, 18354680, 25696552, 32120690, 64241380, 128482760]

約数ペア:

[(1, 128482760), (2, 64241380), (4, 32120690), (5, 25696552), (7, 18354680), (8, 16060345), (10, 12848276), (14, 9177340), (20, 6424138), (28, 4588670), (29, 4430440), (35, 3670936), (40, 3212069), (56, 2294335), (58, 2215220), (70, 1835468), (116, 1107610), (140, 917734), (145, 886088), (203, 632920), (232, 553805), (280, 458867), (290, 443044), (406, 316460), (580, 221522), (812, 158230), (1015, 126584), (1160, 110761), (1624, 79115), (2030, 63292), (4060, 31646), (8120, 15823)]