172711620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10781}}^1$

素因数の和:10885

約数の個数: 72

約数和(自身を含む): 529827480

約数和(自身を除く): 357115860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 10781, 16020, 21562, 32343, 43124, 53905, 64686, 97029, 107810, 129372, 161715, 194058, 215620, 323430, 388116, 485145, 646860, 959509, 970290, 1919018, 1940580, 2878527, 3838036, 4797545, 5757054, 8635581, 9595090, 11514108, 14392635, 17271162, 19190180, 28785270, 34542324, 43177905, 57570540, 86355810, 172711620]

約数ペア:

[(1, 172711620), (2, 86355810), (3, 57570540), (4, 43177905), (5, 34542324), (6, 28785270), (9, 19190180), (10, 17271162), (12, 14392635), (15, 11514108), (18, 9595090), (20, 8635581), (30, 5757054), (36, 4797545), (45, 3838036), (60, 2878527), (89, 1940580), (90, 1919018), (178, 970290), (180, 959509), (267, 646860), (356, 485145), (445, 388116), (534, 323430), (801, 215620), (890, 194058), (1068, 161715), (1335, 129372), (1602, 107810), (1780, 97029), (2670, 64686), (3204, 53905), (4005, 43124), (5340, 32343), (8010, 21562), (10781, 16020)]