123790860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3491}}^1$

素因数の和:3703

約数の個数: 72

約数和(自身を含む): 377513136

約数和(自身を除く): 253722276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3491, 3546, 3940, 5910, 6982, 7092, 8865, 10473, 11820, 13964, 17455, 17730, 20946, 31419, 34910, 35460, 41892, 52365, 62838, 69820, 104730, 125676, 157095, 209460, 314190, 628380, 687727, 1375454, 2063181, 2750908, 3438635, 4126362, 6189543, 6877270, 8252724, 10315905, 12379086, 13754540, 20631810, 24758172, 30947715, 41263620, 61895430, 123790860]

約数ペア:

[(1, 123790860), (2, 61895430), (3, 41263620), (4, 30947715), (5, 24758172), (6, 20631810), (9, 13754540), (10, 12379086), (12, 10315905), (15, 8252724), (18, 6877270), (20, 6189543), (30, 4126362), (36, 3438635), (45, 2750908), (60, 2063181), (90, 1375454), (180, 687727), (197, 628380), (394, 314190), (591, 209460), (788, 157095), (985, 125676), (1182, 104730), (1773, 69820), (1970, 62838), (2364, 52365), (2955, 41892), (3491, 35460), (3546, 34910), (3940, 31419), (5910, 20946), (6982, 17730), (7092, 17455), (8865, 13964), (10473, 11820)]