129881520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{180391}}^1$

素因数の和:180410

約数の個数: 60

約数和(自身を含む): 436187856

約数和(自身を除く): 306306336

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, 180391, 360782, 541173, 721564, 901955, 1082346, 1443128, 1623519, 1803910, 2164692, 2705865, 2886256, 3247038, 3607820, 4329384, 5411730, 6494076, 7215640, 8117595, 8658768, 10823460, 12988152, 14431280, 16235190, 21646920, 25976304, 32470380, 43293840, 64940760, 129881520]

約数ペア:

[(1, 129881520), (2, 64940760), (3, 43293840), (4, 32470380), (5, 25976304), (6, 21646920), (8, 16235190), (9, 14431280), (10, 12988152), (12, 10823460), (15, 8658768), (16, 8117595), (18, 7215640), (20, 6494076), (24, 5411730), (30, 4329384), (36, 3607820), (40, 3247038), (45, 2886256), (48, 2705865), (60, 2164692), (72, 1803910), (80, 1623519), (90, 1443128), (120, 1082346), (144, 901955), (180, 721564), (240, 541173), (360, 360782), (720, 180391)]