79706480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 212932800

約数和(自身を除く): 133226320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 317, 449, 560, 634, 898, 1268, 1585, 1796, 2219, 2245, 2536, 3143, 3170, 3592, 4438, 4490, 5072, 6286, 6340, 7184, 8876, 8980, 11095, 12572, 12680, 15715, 17752, 17960, 22190, 25144, 25360, 31430, 35504, 35920, 44380, 50288, 62860, 88760, 125720, 142333, 177520, 251440, 284666, 569332, 711665, 996331, 1138664, 1423330, 1992662, 2277328, 2846660, 3985324, 4981655, 5693320, 7970648, 9963310, 11386640, 15941296, 19926620, 39853240, 79706480]

約数ペア:

[(1, 79706480), (2, 39853240), (4, 19926620), (5, 15941296), (7, 11386640), (8, 9963310), (10, 7970648), (14, 5693320), (16, 4981655), (20, 3985324), (28, 2846660), (35, 2277328), (40, 1992662), (56, 1423330), (70, 1138664), (80, 996331), (112, 711665), (140, 569332), (280, 284666), (317, 251440), (449, 177520), (560, 142333), (634, 125720), (898, 88760), (1268, 62860), (1585, 50288), (1796, 44380), (2219, 35920), (2245, 35504), (2536, 31430), (3143, 25360), (3170, 25144), (3592, 22190), (4438, 17960), (4490, 17752), (5072, 15715), (6286, 12680), (6340, 12572), (7184, 11095), (8876, 8980)]