12103619920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{304417}}^1$

素因数の和:304508

約数の個数: 80

約数和(自身を含む): 32614126848

約数和(自身を除く): 20510506928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 39760, 304417, 608834, 1217668, 1522085, 2130919, 2435336, 3044170, 4261838, 4870672, 6088340, 8523676, 10654595, 12176680, 17047352, 21309190, 21613607, 24353360, 34094704, 42618380, 43227214, 85236760, 86454428, 108068035, 151295249, 170473520, 172908856, 216136070, 302590498, 345817712, 432272140, 605180996, 756476245, 864544280, 1210361992, 1512952490, 1729088560, 2420723984, 3025904980, 6051809960, 12103619920]

約数ペア:

[(1, 12103619920), (2, 6051809960), (4, 3025904980), (5, 2420723984), (7, 1729088560), (8, 1512952490), (10, 1210361992), (14, 864544280), (16, 756476245), (20, 605180996), (28, 432272140), (35, 345817712), (40, 302590498), (56, 216136070), (70, 172908856), (71, 170473520), (80, 151295249), (112, 108068035), (140, 86454428), (142, 85236760), (280, 43227214), (284, 42618380), (355, 34094704), (497, 24353360), (560, 21613607), (568, 21309190), (710, 17047352), (994, 12176680), (1136, 10654595), (1420, 8523676), (1988, 6088340), (2485, 4870672), (2840, 4261838), (3976, 3044170), (4970, 2435336), (5680, 2130919), (7952, 1522085), (9940, 1217668), (19880, 608834), (39760, 304417)]