1330982440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{3011}}^1$

素因数の和:3322

約数の個数: 64

約数和(自身を含む): 3077300160

約数和(自身を除く): 1746317720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 257, 344, 430, 514, 860, 1028, 1285, 1720, 2056, 2570, 3011, 5140, 6022, 10280, 11051, 12044, 15055, 22102, 24088, 30110, 44204, 55255, 60220, 88408, 110510, 120440, 129473, 221020, 258946, 442040, 517892, 647365, 773827, 1035784, 1294730, 1547654, 2589460, 3095308, 3869135, 5178920, 6190616, 7738270, 15476540, 30953080, 33274561, 66549122, 133098244, 166372805, 266196488, 332745610, 665491220, 1330982440]

約数ペア:

[(1, 1330982440), (2, 665491220), (4, 332745610), (5, 266196488), (8, 166372805), (10, 133098244), (20, 66549122), (40, 33274561), (43, 30953080), (86, 15476540), (172, 7738270), (215, 6190616), (257, 5178920), (344, 3869135), (430, 3095308), (514, 2589460), (860, 1547654), (1028, 1294730), (1285, 1035784), (1720, 773827), (2056, 647365), (2570, 517892), (3011, 442040), (5140, 258946), (6022, 221020), (10280, 129473), (11051, 120440), (12044, 110510), (15055, 88408), (22102, 60220), (24088, 55255), (30110, 44204)]