127861580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 353354400

約数和(自身を除く): 225492820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 49, 55, 58, 70, 77, 98, 110, 116, 140, 145, 154, 196, 203, 220, 245, 290, 308, 319, 385, 406, 409, 490, 539, 580, 638, 770, 812, 818, 980, 1015, 1078, 1276, 1421, 1540, 1595, 1636, 2030, 2045, 2156, 2233, 2695, 2842, 2863, 3190, 4060, 4090, 4466, 4499, 5390, 5684, 5726, 6380, 7105, 8180, 8932, 8998, 10780, 11165, 11452, 11861, 14210, 14315, 15631, 17996, 20041, 22330, 22495, 23722, 28420, 28630, 31262, 31493, 40082, 44660, 44990, 47444, 57260, 59305, 62524, 62986, 78155, 80164, 83027, 89980, 100205, 118610, 125972, 130471, 156310, 157465, 166054, 200410, 220451, 237220, 260942, 312620, 314930, 332108, 400820, 415135, 440902, 521884, 581189, 629860, 652355, 830270, 881804, 913297, 1102255, 1162378, 1304710, 1660540, 1826594, 2204510, 2324756, 2609420, 2905945, 3653188, 4409020, 4566485, 5811890, 6393079, 9132970, 11623780, 12786158, 18265940, 25572316, 31965395, 63930790, 127861580]

約数ペア:

[(1, 127861580), (2, 63930790), (4, 31965395), (5, 25572316), (7, 18265940), (10, 12786158), (11, 11623780), (14, 9132970), (20, 6393079), (22, 5811890), (28, 4566485), (29, 4409020), (35, 3653188), (44, 2905945), (49, 2609420), (55, 2324756), (58, 2204510), (70, 1826594), (77, 1660540), (98, 1304710), (110, 1162378), (116, 1102255), (140, 913297), (145, 881804), (154, 830270), (196, 652355), (203, 629860), (220, 581189), (245, 521884), (290, 440902), (308, 415135), (319, 400820), (385, 332108), (406, 314930), (409, 312620), (490, 260942), (539, 237220), (580, 220451), (638, 200410), (770, 166054), (812, 157465), (818, 156310), (980, 130471), (1015, 125972), (1078, 118610), (1276, 100205), (1421, 89980), (1540, 83027), (1595, 80164), (1636, 78155), (2030, 62986), (2045, 62524), (2156, 59305), (2233, 57260), (2695, 47444), (2842, 44990), (2863, 44660), (3190, 40082), (4060, 31493), (4090, 31262), (4466, 28630), (4499, 28420), (5390, 23722), (5684, 22495), (5726, 22330), (6380, 20041), (7105, 17996), (8180, 15631), (8932, 14315), (8998, 14210), (10780, 11861), (11165, 11452)]