17790040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 42586560

約数和(自身を除く): 24796520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 317, 460, 488, 610, 634, 920, 1220, 1268, 1403, 1585, 2440, 2536, 2806, 3170, 5612, 6340, 7015, 7291, 11224, 12680, 14030, 14582, 19337, 28060, 29164, 36455, 38674, 56120, 58328, 72910, 77348, 96685, 145820, 154696, 193370, 291640, 386740, 444751, 773480, 889502, 1779004, 2223755, 3558008, 4447510, 8895020, 17790040]

約数ペア:

[(1, 17790040), (2, 8895020), (4, 4447510), (5, 3558008), (8, 2223755), (10, 1779004), (20, 889502), (23, 773480), (40, 444751), (46, 386740), (61, 291640), (92, 193370), (115, 154696), (122, 145820), (184, 96685), (230, 77348), (244, 72910), (305, 58328), (317, 56120), (460, 38674), (488, 36455), (610, 29164), (634, 28060), (920, 19337), (1220, 14582), (1268, 14030), (1403, 12680), (1585, 11224), (2440, 7291), (2536, 7015), (2806, 6340), (3170, 5612)]