81320758000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21943}}^1$

素因数の和:22092

約数の個数: 160

約数和(自身を含む): 210119944320

約数和(自身を除く): 128799186320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 109, 125, 136, 170, 200, 218, 250, 272, 340, 400, 425, 436, 500, 545, 680, 850, 872, 1000, 1090, 1360, 1700, 1744, 1853, 2000, 2125, 2180, 2725, 3400, 3706, 4250, 4360, 5450, 6800, 7412, 8500, 8720, 9265, 10900, 13625, 14824, 17000, 18530, 21800, 21943, 27250, 29648, 34000, 37060, 43600, 43886, 46325, 54500, 74120, 87772, 92650, 109000, 109715, 148240, 175544, 185300, 218000, 219430, 231625, 351088, 370600, 373031, 438860, 463250, 548575, 741200, 746062, 877720, 926500, 1097150, 1492124, 1755440, 1853000, 1865155, 2194300, 2391787, 2742875, 2984248, 3706000, 3730310, 4388600, 4783574, 5485750, 5968496, 7460620, 8777200, 9325775, 9567148, 10971500, 11958935, 14921240, 18651550, 19134296, 21943000, 23917870, 29842480, 37303100, 38268592, 40660379, 43886000, 46628875, 47835740, 59794675, 74606200, 81320758, 93257750, 95671480, 119589350, 149212400, 162641516, 186515500, 191342960, 203301895, 239178700, 298973375, 325283032, 373031000, 406603790, 478357400, 597946750, 650566064, 746062000, 813207580, 956714800, 1016509475, 1195893500, 1626415160, 2033018950, 2391787000, 3252830320, 4066037900, 4783574000, 5082547375, 8132075800, 10165094750, 16264151600, 20330189500, 40660379000, 81320758000]

約数ペア:

[(1, 81320758000), (2, 40660379000), (4, 20330189500), (5, 16264151600), (8, 10165094750), (10, 8132075800), (16, 5082547375), (17, 4783574000), (20, 4066037900), (25, 3252830320), (34, 2391787000), (40, 2033018950), (50, 1626415160), (68, 1195893500), (80, 1016509475), (85, 956714800), (100, 813207580), (109, 746062000), (125, 650566064), (136, 597946750), (170, 478357400), (200, 406603790), (218, 373031000), (250, 325283032), (272, 298973375), (340, 239178700), (400, 203301895), (425, 191342960), (436, 186515500), (500, 162641516), (545, 149212400), (680, 119589350), (850, 95671480), (872, 93257750), (1000, 81320758), (1090, 74606200), (1360, 59794675), (1700, 47835740), (1744, 46628875), (1853, 43886000), (2000, 40660379), (2125, 38268592), (2180, 37303100), (2725, 29842480), (3400, 23917870), (3706, 21943000), (4250, 19134296), (4360, 18651550), (5450, 14921240), (6800, 11958935), (7412, 10971500), (8500, 9567148), (8720, 9325775), (9265, 8777200), (10900, 7460620), (13625, 5968496), (14824, 5485750), (17000, 4783574), (18530, 4388600), (21800, 3730310), (21943, 3706000), (27250, 2984248), (29648, 2742875), (34000, 2391787), (37060, 2194300), (43600, 1865155), (43886, 1853000), (46325, 1755440), (54500, 1492124), (74120, 1097150), (87772, 926500), (92650, 877720), (109000, 746062), (109715, 741200), (148240, 548575), (175544, 463250), (185300, 438860), (218000, 373031), (219430, 370600), (231625, 351088)]