51664440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18719}}^1$

素因数の和:18756

約数の個数: 64

約数和(自身を含む): 161740800

約数和(自身を除く): 110076360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 18719, 37438, 56157, 74876, 93595, 112314, 149752, 187190, 224628, 280785, 374380, 430537, 449256, 561570, 748760, 861074, 1123140, 1291611, 1722148, 2152685, 2246280, 2583222, 3444296, 4305370, 5166444, 6458055, 8610740, 10332888, 12916110, 17221480, 25832220, 51664440]

約数ペア:

[(1, 51664440), (2, 25832220), (3, 17221480), (4, 12916110), (5, 10332888), (6, 8610740), (8, 6458055), (10, 5166444), (12, 4305370), (15, 3444296), (20, 2583222), (23, 2246280), (24, 2152685), (30, 1722148), (40, 1291611), (46, 1123140), (60, 861074), (69, 748760), (92, 561570), (115, 449256), (120, 430537), (138, 374380), (184, 280785), (230, 224628), (276, 187190), (345, 149752), (460, 112314), (552, 93595), (690, 74876), (920, 56157), (1380, 37438), (2760, 18719)]