172748880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239929}}^1$

素因数の和:239948

約数の個数: 60

約数和(自身を含む): 580150740

約数和(自身を除く): 407401860

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, 239929, 479858, 719787, 959716, 1199645, 1439574, 1919432, 2159361, 2399290, 2879148, 3598935, 3838864, 4318722, 4798580, 5758296, 7197870, 8637444, 9597160, 10796805, 11516592, 14395740, 17274888, 19194320, 21593610, 28791480, 34549776, 43187220, 57582960, 86374440, 172748880]

約数ペア:

[(1, 172748880), (2, 86374440), (3, 57582960), (4, 43187220), (5, 34549776), (6, 28791480), (8, 21593610), (9, 19194320), (10, 17274888), (12, 14395740), (15, 11516592), (16, 10796805), (18, 9597160), (20, 8637444), (24, 7197870), (30, 5758296), (36, 4798580), (40, 4318722), (45, 3838864), (48, 3598935), (60, 2879148), (72, 2399290), (80, 2159361), (90, 1919432), (120, 1439574), (144, 1199645), (180, 959716), (240, 719787), (360, 479858), (720, 239929)]