1779702920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1\times {\mathrm{1279}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 4105728000

約数和(自身を除く): 2326025080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 809, 860, 1279, 1618, 1720, 2558, 3236, 4045, 5116, 6395, 6472, 8090, 10232, 12790, 16180, 25580, 32360, 34787, 51160, 54997, 69574, 109994, 139148, 173935, 219988, 274985, 278296, 347870, 439976, 549970, 695740, 1034711, 1099940, 1391480, 2069422, 2199880, 4138844, 5173555, 8277688, 10347110, 20694220, 41388440, 44492573, 88985146, 177970292, 222462865, 355940584, 444925730, 889851460, 1779702920]

約数ペア:

[(1, 1779702920), (2, 889851460), (4, 444925730), (5, 355940584), (8, 222462865), (10, 177970292), (20, 88985146), (40, 44492573), (43, 41388440), (86, 20694220), (172, 10347110), (215, 8277688), (344, 5173555), (430, 4138844), (809, 2199880), (860, 2069422), (1279, 1391480), (1618, 1099940), (1720, 1034711), (2558, 695740), (3236, 549970), (4045, 439976), (5116, 347870), (6395, 278296), (6472, 274985), (8090, 219988), (10232, 173935), (12790, 139148), (16180, 109994), (25580, 69574), (32360, 54997), (34787, 51160)]