81433680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{339307}}^1$

素因数の和:339323

約数の個数: 40

約数和(自身を含む): 252445152

約数和(自身を除く): 171011472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 339307, 678614, 1017921, 1357228, 1696535, 2035842, 2714456, 3393070, 4071684, 5089605, 5428912, 6786140, 8143368, 10179210, 13572280, 16286736, 20358420, 27144560, 40716840, 81433680]

約数ペア:

[(1, 81433680), (2, 40716840), (3, 27144560), (4, 20358420), (5, 16286736), (6, 13572280), (8, 10179210), (10, 8143368), (12, 6786140), (15, 5428912), (16, 5089605), (20, 4071684), (24, 3393070), (30, 2714456), (40, 2035842), (48, 1696535), (60, 1357228), (80, 1017921), (120, 678614), (240, 339307)]