1900237680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239929}}^1$

素因数の和:239959

約数の個数: 120

約数和(自身を含む): 6961808880

約数和(自身を除く): 5061571200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 239929, 479858, 719787, 959716, 1199645, 1439574, 1919432, 2159361, 2399290, 2639219, 2879148, 3598935, 3838864, 4318722, 4798580, 5278438, 5758296, 7197870, 7917657, 8637444, 9597160, 10556876, 10796805, 11516592, 13196095, 14395740, 15835314, 17274888, 19194320, 21113752, 21593610, 23752971, 26392190, 28791480, 31670628, 34549776, 39588285, 42227504, 43187220, 47505942, 52784380, 57582960, 63341256, 79176570, 86374440, 95011884, 105568760, 118764855, 126682512, 158353140, 172748880, 190023768, 211137520, 237529710, 316706280, 380047536, 475059420, 633412560, 950118840, 1900237680]

約数ペア:

[(1, 1900237680), (2, 950118840), (3, 633412560), (4, 475059420), (5, 380047536), (6, 316706280), (8, 237529710), (9, 211137520), (10, 190023768), (11, 172748880), (12, 158353140), (15, 126682512), (16, 118764855), (18, 105568760), (20, 95011884), (22, 86374440), (24, 79176570), (30, 63341256), (33, 57582960), (36, 52784380), (40, 47505942), (44, 43187220), (45, 42227504), (48, 39588285), (55, 34549776), (60, 31670628), (66, 28791480), (72, 26392190), (80, 23752971), (88, 21593610), (90, 21113752), (99, 19194320), (110, 17274888), (120, 15835314), (132, 14395740), (144, 13196095), (165, 11516592), (176, 10796805), (180, 10556876), (198, 9597160), (220, 8637444), (240, 7917657), (264, 7197870), (330, 5758296), (360, 5278438), (396, 4798580), (440, 4318722), (495, 3838864), (528, 3598935), (660, 2879148), (720, 2639219), (792, 2399290), (880, 2159361), (990, 1919432), (1320, 1439574), (1584, 1199645), (1980, 959716), (2640, 719787), (3960, 479858), (7920, 239929)]