129611920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 321943680

約数和(自身を除く): 192331760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1201, 1349, 1420, 1520, 2402, 2698, 2840, 4804, 5396, 5680, 6005, 6745, 9608, 10792, 12010, 13490, 19216, 21584, 22819, 24020, 26980, 45638, 48040, 53960, 85271, 91276, 96080, 107920, 114095, 170542, 182552, 228190, 341084, 365104, 426355, 456380, 682168, 852710, 912760, 1364336, 1620149, 1705420, 1825520, 3240298, 3410840, 6480596, 6821680, 8100745, 12961192, 16201490, 25922384, 32402980, 64805960, 129611920]

約数ペア:

[(1, 129611920), (2, 64805960), (4, 32402980), (5, 25922384), (8, 16201490), (10, 12961192), (16, 8100745), (19, 6821680), (20, 6480596), (38, 3410840), (40, 3240298), (71, 1825520), (76, 1705420), (80, 1620149), (95, 1364336), (142, 912760), (152, 852710), (190, 682168), (284, 456380), (304, 426355), (355, 365104), (380, 341084), (568, 228190), (710, 182552), (760, 170542), (1136, 114095), (1201, 107920), (1349, 96080), (1420, 91276), (1520, 85271), (2402, 53960), (2698, 48040), (2840, 45638), (4804, 26980), (5396, 24020), (5680, 22819), (6005, 21584), (6745, 19216), (9608, 13490), (10792, 12010)]