123971680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1652

約数の個数: 96

約数和(自身を含む): 339655680

約数和(自身を除く): 215684000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 994, 1120, 1136, 1420, 1559, 1988, 2272, 2485, 2840, 3118, 3976, 4970, 5680, 6236, 7795, 7952, 9940, 10913, 11360, 12472, 15590, 15904, 19880, 21826, 24944, 31180, 39760, 43652, 49888, 54565, 62360, 79520, 87304, 109130, 110689, 124720, 174608, 218260, 221378, 249440, 349216, 436520, 442756, 553445, 774823, 873040, 885512, 1106890, 1549646, 1746080, 1771024, 2213780, 3099292, 3542048, 3874115, 4427560, 6198584, 7748230, 8855120, 12397168, 15496460, 17710240, 24794336, 30992920, 61985840, 123971680]

約数ペア:

[(1, 123971680), (2, 61985840), (4, 30992920), (5, 24794336), (7, 17710240), (8, 15496460), (10, 12397168), (14, 8855120), (16, 7748230), (20, 6198584), (28, 4427560), (32, 3874115), (35, 3542048), (40, 3099292), (56, 2213780), (70, 1771024), (71, 1746080), (80, 1549646), (112, 1106890), (140, 885512), (142, 873040), (160, 774823), (224, 553445), (280, 442756), (284, 436520), (355, 349216), (497, 249440), (560, 221378), (568, 218260), (710, 174608), (994, 124720), (1120, 110689), (1136, 109130), (1420, 87304), (1559, 79520), (1988, 62360), (2272, 54565), (2485, 49888), (2840, 43652), (3118, 39760), (3976, 31180), (4970, 24944), (5680, 21826), (6236, 19880), (7795, 15904), (7952, 15590), (9940, 12472), (10913, 11360)]