219364440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25747}}^1$

素因数の和:25832

約数の個数: 64

約数和(自身を含む): 667388160

約数和(自身を除く): 448023720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 25747, 51494, 77241, 102988, 128735, 154482, 205976, 257470, 308964, 386205, 514940, 617928, 772410, 1029880, 1544820, 1828037, 3089640, 3656074, 5484111, 7312148, 9140185, 10968222, 14624296, 18280370, 21936444, 27420555, 36560740, 43872888, 54841110, 73121480, 109682220, 219364440]

約数ペア:

[(1, 219364440), (2, 109682220), (3, 73121480), (4, 54841110), (5, 43872888), (6, 36560740), (8, 27420555), (10, 21936444), (12, 18280370), (15, 14624296), (20, 10968222), (24, 9140185), (30, 7312148), (40, 5484111), (60, 3656074), (71, 3089640), (120, 1828037), (142, 1544820), (213, 1029880), (284, 772410), (355, 617928), (426, 514940), (568, 386205), (710, 308964), (852, 257470), (1065, 205976), (1420, 154482), (1704, 128735), (2130, 102988), (2840, 77241), (4260, 51494), (8520, 25747)]