67800280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 159454080

約数和(自身を除く): 91653800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 751, 1220, 1480, 1502, 2257, 2440, 3004, 3755, 4514, 6008, 7510, 9028, 11285, 15020, 18056, 22570, 27787, 30040, 45140, 45811, 55574, 90280, 91622, 111148, 138935, 183244, 222296, 229055, 277870, 366488, 458110, 555740, 916220, 1111480, 1695007, 1832440, 3390014, 6780028, 8475035, 13560056, 16950070, 33900140, 67800280]

約数ペア:

[(1, 67800280), (2, 33900140), (4, 16950070), (5, 13560056), (8, 8475035), (10, 6780028), (20, 3390014), (37, 1832440), (40, 1695007), (61, 1111480), (74, 916220), (122, 555740), (148, 458110), (185, 366488), (244, 277870), (296, 229055), (305, 222296), (370, 183244), (488, 138935), (610, 111148), (740, 91622), (751, 90280), (1220, 55574), (1480, 45811), (1502, 45140), (2257, 30040), (2440, 27787), (3004, 22570), (3755, 18056), (4514, 15020), (6008, 11285), (7510, 9028)]