61515860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25847}}^1$

素因数の和:25880

約数の個数: 48

約数和(自身を含む): 156328704

約数和(自身を除く): 94812844

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 25847, 51694, 103388, 129235, 180929, 258470, 361858, 439399, 516940, 723716, 878798, 904645, 1757596, 1809290, 2196995, 3075793, 3618580, 4393990, 6151586, 8787980, 12303172, 15378965, 30757930, 61515860]

約数ペア:

[(1, 61515860), (2, 30757930), (4, 15378965), (5, 12303172), (7, 8787980), (10, 6151586), (14, 4393990), (17, 3618580), (20, 3075793), (28, 2196995), (34, 1809290), (35, 1757596), (68, 904645), (70, 878798), (85, 723716), (119, 516940), (140, 439399), (170, 361858), (238, 258470), (340, 180929), (476, 129235), (595, 103388), (1190, 51694), (2380, 25847)]