123667920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171761}}^1$

素因数の和:171780

約数の個数: 60

約数和(自身を含む): 415320516

約数和(自身を除く): 291652596

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171761, 343522, 515283, 687044, 858805, 1030566, 1374088, 1545849, 1717610, 2061132, 2576415, 2748176, 3091698, 3435220, 4122264, 5152830, 6183396, 6870440, 7729245, 8244528, 10305660, 12366792, 13740880, 15458490, 20611320, 24733584, 30916980, 41222640, 61833960, 123667920]

約数ペア:

[(1, 123667920), (2, 61833960), (3, 41222640), (4, 30916980), (5, 24733584), (6, 20611320), (8, 15458490), (9, 13740880), (10, 12366792), (12, 10305660), (15, 8244528), (16, 7729245), (18, 6870440), (20, 6183396), (24, 5152830), (30, 4122264), (36, 3435220), (40, 3091698), (45, 2748176), (48, 2576415), (60, 2061132), (72, 1717610), (80, 1545849), (90, 1374088), (120, 1030566), (144, 858805), (180, 687044), (240, 515283), (360, 343522), (720, 171761)]