123587120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{919}}^1$

素因数の和:1014

約数の個数: 60

約数和(自身を含む): 294839760

約数和(自身を除く): 171252640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 919, 1640, 1681, 1838, 3280, 3362, 3676, 4595, 6724, 7352, 8405, 9190, 13448, 14704, 16810, 18380, 26896, 33620, 36760, 37679, 67240, 73520, 75358, 134480, 150716, 188395, 301432, 376790, 602864, 753580, 1507160, 1544839, 3014320, 3089678, 6179356, 7724195, 12358712, 15448390, 24717424, 30896780, 61793560, 123587120]

約数ペア:

[(1, 123587120), (2, 61793560), (4, 30896780), (5, 24717424), (8, 15448390), (10, 12358712), (16, 7724195), (20, 6179356), (40, 3089678), (41, 3014320), (80, 1544839), (82, 1507160), (164, 753580), (205, 602864), (328, 376790), (410, 301432), (656, 188395), (820, 150716), (919, 134480), (1640, 75358), (1681, 73520), (1838, 67240), (3280, 37679), (3362, 36760), (3676, 33620), (4595, 26896), (6724, 18380), (7352, 16810), (8405, 14704), (9190, 13448)]