80998560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56249}}^1$

素因数の和:56270

約数の個数: 72

約数和(自身を含む): 276412500

約数和(自身を除く): 195413940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56249, 112498, 168747, 224996, 281245, 337494, 449992, 506241, 562490, 674988, 843735, 899984, 1012482, 1124980, 1349976, 1687470, 1799968, 2024964, 2249960, 2531205, 2699952, 3374940, 4049928, 4499920, 5062410, 5399904, 6749880, 8099856, 8999840, 10124820, 13499760, 16199712, 20249640, 26999520, 40499280, 80998560]

約数ペア:

[(1, 80998560), (2, 40499280), (3, 26999520), (4, 20249640), (5, 16199712), (6, 13499760), (8, 10124820), (9, 8999840), (10, 8099856), (12, 6749880), (15, 5399904), (16, 5062410), (18, 4499920), (20, 4049928), (24, 3374940), (30, 2699952), (32, 2531205), (36, 2249960), (40, 2024964), (45, 1799968), (48, 1687470), (60, 1349976), (72, 1124980), (80, 1012482), (90, 899984), (96, 843735), (120, 674988), (144, 562490), (160, 506241), (180, 449992), (240, 337494), (288, 281245), (360, 224996), (480, 168747), (720, 112498), (1440, 56249)]