1312161560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1\times {\mathrm{673}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 2999030400

約数和(自身を除く): 1686868840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 617, 632, 673, 790, 1234, 1346, 1580, 2468, 2692, 3085, 3160, 3365, 4936, 5384, 6170, 6730, 12340, 13460, 24680, 26920, 48743, 53167, 97486, 106334, 194972, 212668, 243715, 265835, 389944, 415241, 425336, 487430, 531670, 830482, 974860, 1063340, 1660964, 1949720, 2076205, 2126680, 3321928, 4152410, 8304820, 16609640, 32804039, 65608078, 131216156, 164020195, 262432312, 328040390, 656080780, 1312161560]

約数ペア:

[(1, 1312161560), (2, 656080780), (4, 328040390), (5, 262432312), (8, 164020195), (10, 131216156), (20, 65608078), (40, 32804039), (79, 16609640), (158, 8304820), (316, 4152410), (395, 3321928), (617, 2126680), (632, 2076205), (673, 1949720), (790, 1660964), (1234, 1063340), (1346, 974860), (1580, 830482), (2468, 531670), (2692, 487430), (3085, 425336), (3160, 415241), (3365, 389944), (4936, 265835), (5384, 243715), (6170, 212668), (6730, 194972), (12340, 106334), (13460, 97486), (24680, 53167), (26920, 48743)]