30925480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 72349200

約数和(自身を除く): 41423720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 109, 164, 173, 205, 218, 328, 346, 410, 436, 545, 692, 820, 865, 872, 1090, 1384, 1640, 1730, 2180, 3460, 4360, 4469, 6920, 7093, 8938, 14186, 17876, 18857, 22345, 28372, 35465, 35752, 37714, 44690, 56744, 70930, 75428, 89380, 94285, 141860, 150856, 178760, 188570, 283720, 377140, 754280, 773137, 1546274, 3092548, 3865685, 6185096, 7731370, 15462740, 30925480]

約数ペア:

[(1, 30925480), (2, 15462740), (4, 7731370), (5, 6185096), (8, 3865685), (10, 3092548), (20, 1546274), (40, 773137), (41, 754280), (82, 377140), (109, 283720), (164, 188570), (173, 178760), (205, 150856), (218, 141860), (328, 94285), (346, 89380), (410, 75428), (436, 70930), (545, 56744), (692, 44690), (820, 37714), (865, 35752), (872, 35465), (1090, 28372), (1384, 22345), (1640, 18857), (1730, 17876), (2180, 14186), (3460, 8938), (4360, 7093), (4469, 6920)]