123330920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2707}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 298313280

約数和(自身を除く): 174982360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 2278, 2680, 2707, 4556, 5414, 5695, 9112, 10828, 11390, 13535, 21656, 22780, 27070, 45560, 46019, 54140, 92038, 108280, 181369, 184076, 230095, 362738, 368152, 460190, 725476, 906845, 920380, 1450952, 1813690, 1840760, 3083273, 3627380, 6166546, 7254760, 12333092, 15416365, 24666184, 30832730, 61665460, 123330920]

約数ペア:

[(1, 123330920), (2, 61665460), (4, 30832730), (5, 24666184), (8, 15416365), (10, 12333092), (17, 7254760), (20, 6166546), (34, 3627380), (40, 3083273), (67, 1840760), (68, 1813690), (85, 1450952), (134, 920380), (136, 906845), (170, 725476), (268, 460190), (335, 368152), (340, 362738), (536, 230095), (670, 184076), (680, 181369), (1139, 108280), (1340, 92038), (2278, 54140), (2680, 46019), (2707, 45560), (4556, 27070), (5414, 22780), (5695, 21656), (9112, 13535), (10828, 11390)]