8180379.00000000

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 144322560

約数和(自身を除く): 67824675

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 71, 115, 135, 207, 213, 345, 347, 355, 621, 639, 1035, 1041, 1065, 1633, 1735, 1917, 3105, 3123, 3195, 4899, 5205, 7981, 8165, 9369, 9585, 14697, 15615, 23943, 24495, 24637, 39905, 44091, 46845, 71829, 73485, 73911, 119715, 123185, 215487, 220455, 221733, 359145, 369555, 566651, 665199, 1077435, 1108665, 1699953, 2833255, 3325995, 5099859, 8499765, 15299577, 25499295, 76497885]

約数ペア:

[(1, 76497885), (3, 25499295), (5, 15299577), (9, 8499765), (15, 5099859), (23, 3325995), (27, 2833255), (45, 1699953), (69, 1108665), (71, 1077435), (115, 665199), (135, 566651), (207, 369555), (213, 359145), (345, 221733), (347, 220455), (355, 215487), (621, 123185), (639, 119715), (1035, 73911), (1041, 73485), (1065, 71829), (1633, 46845), (1735, 44091), (1917, 39905), (3105, 24637), (3123, 24495), (3195, 23943), (4899, 15615), (5205, 14697), (7981, 9585), (8165, 9369)]