68912920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{463}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 157978080

約数和(自身を除く): 89065160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 463, 488, 610, 926, 1220, 1852, 2315, 2440, 3704, 3721, 4630, 7442, 9260, 14884, 18520, 18605, 28243, 29768, 37210, 56486, 74420, 112972, 141215, 148840, 225944, 282430, 564860, 1129720, 1722823, 3445646, 6891292, 8614115, 13782584, 17228230, 34456460, 68912920]

約数ペア:

[(1, 68912920), (2, 34456460), (4, 17228230), (5, 13782584), (8, 8614115), (10, 6891292), (20, 3445646), (40, 1722823), (61, 1129720), (122, 564860), (244, 282430), (305, 225944), (463, 148840), (488, 141215), (610, 112972), (926, 74420), (1220, 56486), (1852, 37210), (2315, 29768), (2440, 28243), (3704, 18605), (3721, 18520), (4630, 14884), (7442, 9260)]