123205760

素因数分解:

$2^7\times 5^1\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 295963200

約数和(自身を除く): 172757440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 311, 320, 619, 622, 640, 1238, 1244, 1555, 2476, 2488, 3095, 3110, 4952, 4976, 6190, 6220, 9904, 9952, 12380, 12440, 19808, 19904, 24760, 24880, 39616, 39808, 49520, 49760, 79232, 99040, 99520, 192509, 198080, 199040, 385018, 396160, 770036, 962545, 1540072, 1925090, 3080144, 3850180, 6160288, 7700360, 12320576, 15400720, 24641152, 30801440, 61602880, 123205760]

約数ペア:

[(1, 123205760), (2, 61602880), (4, 30801440), (5, 24641152), (8, 15400720), (10, 12320576), (16, 7700360), (20, 6160288), (32, 3850180), (40, 3080144), (64, 1925090), (80, 1540072), (128, 962545), (160, 770036), (311, 396160), (320, 385018), (619, 199040), (622, 198080), (640, 192509), (1238, 99520), (1244, 99040), (1555, 79232), (2476, 49760), (2488, 49520), (3095, 39808), (3110, 39616), (4952, 24880), (4976, 24760), (6190, 19904), (6220, 19808), (9904, 12440), (9952, 12380)]