68728680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{190913}}^1$

素因数の和:190930

約数の個数: 48

約数和(自身を含む): 223369380

約数和(自身を除く): 154640700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 190913, 381826, 572739, 763652, 954565, 1145478, 1527304, 1718217, 1909130, 2290956, 2863695, 3436434, 3818260, 4581912, 5727390, 6872868, 7636520, 8591085, 11454780, 13745736, 17182170, 22909560, 34364340, 68728680]

約数ペア:

[(1, 68728680), (2, 34364340), (3, 22909560), (4, 17182170), (5, 13745736), (6, 11454780), (8, 8591085), (9, 7636520), (10, 6872868), (12, 5727390), (15, 4581912), (18, 3818260), (20, 3436434), (24, 2863695), (30, 2290956), (36, 1909130), (40, 1718217), (45, 1527304), (60, 1145478), (72, 954565), (90, 763652), (120, 572739), (180, 381826), (360, 190913)]