80243772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 219098880

約数和(自身を除く): 138855108

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 239, 294, 478, 571, 588, 717, 956, 1142, 1434, 1673, 1713, 2284, 2868, 3346, 3426, 3997, 5019, 6692, 6852, 7994, 10038, 11711, 11991, 15988, 20076, 23422, 23982, 27979, 35133, 46844, 47964, 55958, 70266, 83937, 111916, 136469, 140532, 167874, 272938, 335748, 409407, 545876, 818814, 955283, 1637628, 1910566, 2865849, 3821132, 5731698, 6686981, 11463396, 13373962, 20060943, 26747924, 40121886, 80243772]

約数ペア:

[(1, 80243772), (2, 40121886), (3, 26747924), (4, 20060943), (6, 13373962), (7, 11463396), (12, 6686981), (14, 5731698), (21, 3821132), (28, 2865849), (42, 1910566), (49, 1637628), (84, 955283), (98, 818814), (147, 545876), (196, 409407), (239, 335748), (294, 272938), (478, 167874), (571, 140532), (588, 136469), (717, 111916), (956, 83937), (1142, 70266), (1434, 55958), (1673, 47964), (1713, 46844), (2284, 35133), (2868, 27979), (3346, 23982), (3426, 23422), (3997, 20076), (5019, 15988), (6692, 11991), (6852, 11711), (7994, 10038)]