81598880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:750

約数の個数: 96

約数和(自身を含む): 213591168

約数和(自身を除く): 131992288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 160, 176, 220, 284, 352, 355, 440, 568, 653, 710, 781, 880, 1136, 1306, 1420, 1562, 1760, 2272, 2612, 2840, 3124, 3265, 3905, 5224, 5680, 6248, 6530, 7183, 7810, 10448, 11360, 12496, 13060, 14366, 15620, 20896, 24992, 26120, 28732, 31240, 35915, 46363, 52240, 57464, 62480, 71830, 92726, 104480, 114928, 124960, 143660, 185452, 229856, 231815, 287320, 370904, 463630, 509993, 574640, 741808, 927260, 1019986, 1149280, 1483616, 1854520, 2039972, 2549965, 3709040, 4079944, 5099930, 7418080, 8159888, 10199860, 16319776, 20399720, 40799440, 81598880]

約数ペア:

[(1, 81598880), (2, 40799440), (4, 20399720), (5, 16319776), (8, 10199860), (10, 8159888), (11, 7418080), (16, 5099930), (20, 4079944), (22, 3709040), (32, 2549965), (40, 2039972), (44, 1854520), (55, 1483616), (71, 1149280), (80, 1019986), (88, 927260), (110, 741808), (142, 574640), (160, 509993), (176, 463630), (220, 370904), (284, 287320), (352, 231815), (355, 229856), (440, 185452), (568, 143660), (653, 124960), (710, 114928), (781, 104480), (880, 92726), (1136, 71830), (1306, 62480), (1420, 57464), (1562, 52240), (1760, 46363), (2272, 35915), (2612, 31240), (2840, 28732), (3124, 26120), (3265, 24992), (3905, 20896), (5224, 15620), (5680, 14366), (6248, 13060), (6530, 12496), (7183, 11360), (7810, 10448)]