18889680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78707}}^1$

素因数の和:78723

約数の個数: 40

約数和(自身を含む): 58558752

約数和(自身を除く): 39669072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78707, 157414, 236121, 314828, 393535, 472242, 629656, 787070, 944484, 1180605, 1259312, 1574140, 1888968, 2361210, 3148280, 3777936, 4722420, 6296560, 9444840, 18889680]

約数ペア:

[(1, 18889680), (2, 9444840), (3, 6296560), (4, 4722420), (5, 3777936), (6, 3148280), (8, 2361210), (10, 1888968), (12, 1574140), (15, 1259312), (16, 1180605), (20, 944484), (24, 787070), (30, 629656), (40, 472242), (48, 393535), (60, 314828), (80, 236121), (120, 157414), (240, 78707)]