30801440

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 73120320

約数和(自身を除く): 42318880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 619, 622, 1238, 1244, 1555, 2476, 2488, 3095, 3110, 4952, 4976, 6190, 6220, 9904, 9952, 12380, 12440, 19808, 24760, 24880, 49520, 49760, 99040, 192509, 385018, 770036, 962545, 1540072, 1925090, 3080144, 3850180, 6160288, 7700360, 15400720, 30801440]

約数ペア:

[(1, 30801440), (2, 15400720), (4, 7700360), (5, 6160288), (8, 3850180), (10, 3080144), (16, 1925090), (20, 1540072), (32, 962545), (40, 770036), (80, 385018), (160, 192509), (311, 99040), (619, 49760), (622, 49520), (1238, 24880), (1244, 24760), (1555, 19808), (2476, 12440), (2488, 12380), (3095, 9952), (3110, 9904), (4952, 6220), (4976, 6190)]