12255320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 36080640

約数和(自身を除く): 23825320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 173, 184, 220, 230, 253, 280, 308, 322, 346, 385, 440, 460, 506, 616, 644, 692, 770, 805, 865, 920, 1012, 1211, 1265, 1288, 1384, 1540, 1610, 1730, 1771, 1903, 2024, 2422, 2530, 3080, 3220, 3460, 3542, 3806, 3979, 4844, 5060, 6055, 6440, 6920, 7084, 7612, 7958, 8855, 9515, 9688, 10120, 12110, 13321, 14168, 15224, 15916, 17710, 19030, 19895, 24220, 26642, 27853, 31832, 35420, 38060, 39790, 43769, 48440, 53284, 55706, 66605, 70840, 76120, 79580, 87538, 106568, 111412, 133210, 139265, 159160, 175076, 218845, 222824, 266420, 278530, 306383, 350152, 437690, 532840, 557060, 612766, 875380, 1114120, 1225532, 1531915, 1750760, 2451064, 3063830, 6127660, 12255320]

約数ペア:

[(1, 12255320), (2, 6127660), (4, 3063830), (5, 2451064), (7, 1750760), (8, 1531915), (10, 1225532), (11, 1114120), (14, 875380), (20, 612766), (22, 557060), (23, 532840), (28, 437690), (35, 350152), (40, 306383), (44, 278530), (46, 266420), (55, 222824), (56, 218845), (70, 175076), (77, 159160), (88, 139265), (92, 133210), (110, 111412), (115, 106568), (140, 87538), (154, 79580), (161, 76120), (173, 70840), (184, 66605), (220, 55706), (230, 53284), (253, 48440), (280, 43769), (308, 39790), (322, 38060), (346, 35420), (385, 31832), (440, 27853), (460, 26642), (506, 24220), (616, 19895), (644, 19030), (692, 17710), (770, 15916), (805, 15224), (865, 14168), (920, 13321), (1012, 12110), (1211, 10120), (1265, 9688), (1288, 9515), (1384, 8855), (1540, 7958), (1610, 7612), (1730, 7084), (1771, 6920), (1903, 6440), (2024, 6055), (2422, 5060), (2530, 4844), (3080, 3979), (3220, 3806), (3460, 3542)]