64826020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2281}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 163893240

約数和(自身を除く): 99067220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2281, 2842, 4060, 4562, 5684, 7105, 9124, 11405, 14210, 15967, 22810, 28420, 31934, 45620, 63868, 66149, 79835, 111769, 132298, 159670, 223538, 264596, 319340, 330745, 447076, 463043, 558845, 661490, 926086, 1117690, 1322980, 1852172, 2235380, 2315215, 3241301, 4630430, 6482602, 9260860, 12965204, 16206505, 32413010, 64826020]

約数ペア:

[(1, 64826020), (2, 32413010), (4, 16206505), (5, 12965204), (7, 9260860), (10, 6482602), (14, 4630430), (20, 3241301), (28, 2315215), (29, 2235380), (35, 1852172), (49, 1322980), (58, 1117690), (70, 926086), (98, 661490), (116, 558845), (140, 463043), (145, 447076), (196, 330745), (203, 319340), (245, 264596), (290, 223538), (406, 159670), (490, 132298), (580, 111769), (812, 79835), (980, 66149), (1015, 63868), (1421, 45620), (2030, 31934), (2281, 28420), (2842, 22810), (4060, 15967), (4562, 14210), (5684, 11405), (7105, 9124)]