615348520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 1401753600

約数和(自身を除く): 786405080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 239, 337, 382, 478, 674, 764, 955, 956, 1195, 1348, 1528, 1685, 1910, 1912, 2390, 2696, 3370, 3820, 4780, 6740, 7640, 9560, 13480, 45649, 64367, 80543, 91298, 128734, 161086, 182596, 228245, 257468, 321835, 322172, 365192, 402715, 456490, 514936, 643670, 644344, 805430, 912980, 1287340, 1610860, 1825960, 2574680, 3221720, 15383713, 30767426, 61534852, 76918565, 123069704, 153837130, 307674260, 615348520]

約数ペア:

[(1, 615348520), (2, 307674260), (4, 153837130), (5, 123069704), (8, 76918565), (10, 61534852), (20, 30767426), (40, 15383713), (191, 3221720), (239, 2574680), (337, 1825960), (382, 1610860), (478, 1287340), (674, 912980), (764, 805430), (955, 644344), (956, 643670), (1195, 514936), (1348, 456490), (1528, 402715), (1685, 365192), (1910, 322172), (1912, 321835), (2390, 257468), (2696, 228245), (3370, 182596), (3820, 161086), (4780, 128734), (6740, 91298), (7640, 80543), (9560, 64367), (13480, 45649)]