170507920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2729}}^1$

素因数の和:2824

約数の個数: 80

約数和(自身を含む): 438721920

約数和(自身を除く): 268214000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2729, 2840, 3124, 3905, 5458, 5680, 6248, 7810, 10916, 12496, 13645, 15620, 21832, 27290, 30019, 31240, 43664, 54580, 60038, 62480, 109160, 120076, 150095, 193759, 218320, 240152, 300190, 387518, 480304, 600380, 775036, 968795, 1200760, 1550072, 1937590, 2131349, 2401520, 3100144, 3875180, 4262698, 7750360, 8525396, 10656745, 15500720, 17050792, 21313490, 34101584, 42626980, 85253960, 170507920]

約数ペア:

[(1, 170507920), (2, 85253960), (4, 42626980), (5, 34101584), (8, 21313490), (10, 17050792), (11, 15500720), (16, 10656745), (20, 8525396), (22, 7750360), (40, 4262698), (44, 3875180), (55, 3100144), (71, 2401520), (80, 2131349), (88, 1937590), (110, 1550072), (142, 1200760), (176, 968795), (220, 775036), (284, 600380), (355, 480304), (440, 387518), (568, 300190), (710, 240152), (781, 218320), (880, 193759), (1136, 150095), (1420, 120076), (1562, 109160), (2729, 62480), (2840, 60038), (3124, 54580), (3905, 43664), (5458, 31240), (5680, 30019), (6248, 27290), (7810, 21832), (10916, 15620), (12496, 13645)]