28680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 86400

約数和(自身を除く): 57720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 14340, 28680]

約数ペア:

[(1, 28680), (2, 14340), (3, 9560), (4, 7170), (5, 5736), (6, 4780), (8, 3585), (10, 2868), (12, 2390), (15, 1912), (20, 1434), (24, 1195), (30, 956), (40, 717), (60, 478), (120, 239)]