18706680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17321}}^1$

素因数の和:17341

約数の個数: 64

約数和(自身を含む): 62359200

約数和(自身を除く): 43652520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17321, 34642, 51963, 69284, 86605, 103926, 138568, 155889, 173210, 207852, 259815, 311778, 346420, 415704, 467667, 519630, 623556, 692840, 779445, 935334, 1039260, 1247112, 1558890, 1870668, 2078520, 2338335, 3117780, 3741336, 4676670, 6235560, 9353340, 18706680]

約数ペア:

[(1, 18706680), (2, 9353340), (3, 6235560), (4, 4676670), (5, 3741336), (6, 3117780), (8, 2338335), (9, 2078520), (10, 1870668), (12, 1558890), (15, 1247112), (18, 1039260), (20, 935334), (24, 779445), (27, 692840), (30, 623556), (36, 519630), (40, 467667), (45, 415704), (54, 346420), (60, 311778), (72, 259815), (90, 207852), (108, 173210), (120, 155889), (135, 138568), (180, 103926), (216, 86605), (270, 69284), (360, 51963), (540, 34642), (1080, 17321)]