68018180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 147858480

約数和(自身を除く): 79840300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 761, 820, 1090, 1522, 2180, 3044, 3805, 4469, 7610, 8938, 15220, 17876, 22345, 31201, 44690, 62402, 82949, 89380, 124804, 156005, 165898, 312010, 331796, 414745, 624020, 829490, 1658980, 3400909, 6801818, 13603636, 17004545, 34009090, 68018180]

約数ペア:

[(1, 68018180), (2, 34009090), (4, 17004545), (5, 13603636), (10, 6801818), (20, 3400909), (41, 1658980), (82, 829490), (109, 624020), (164, 414745), (205, 331796), (218, 312010), (410, 165898), (436, 156005), (545, 124804), (761, 89380), (820, 82949), (1090, 62402), (1522, 44690), (2180, 31201), (3044, 22345), (3805, 17876), (4469, 15220), (7610, 8938)]