180560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 40

約数和(自身を含む): 438216

約数和(自身を除く): 257656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 61, 74, 80, 122, 148, 185, 244, 296, 305, 370, 488, 592, 610, 740, 976, 1220, 1480, 2257, 2440, 2960, 4514, 4880, 9028, 11285, 18056, 22570, 36112, 45140, 90280, 180560]

約数ペア:

[(1, 180560), (2, 90280), (4, 45140), (5, 36112), (8, 22570), (10, 18056), (16, 11285), (20, 9028), (37, 4880), (40, 4514), (61, 2960), (74, 2440), (80, 2257), (122, 1480), (148, 1220), (185, 976), (244, 740), (296, 610), (305, 592), (370, 488)]