12170720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 30935520

約数和(自身を除く): 18764800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 61, 80, 86, 116, 122, 145, 160, 172, 215, 232, 244, 290, 305, 344, 430, 464, 488, 580, 610, 688, 860, 928, 976, 1160, 1220, 1247, 1376, 1720, 1769, 1952, 2320, 2440, 2494, 2623, 3440, 3538, 4640, 4880, 4988, 5246, 6235, 6880, 7076, 8845, 9760, 9976, 10492, 12470, 13115, 14152, 17690, 19952, 20984, 24940, 26230, 28304, 35380, 39904, 41968, 49880, 52460, 56608, 70760, 76067, 83936, 99760, 104920, 141520, 152134, 199520, 209840, 283040, 304268, 380335, 419680, 608536, 760670, 1217072, 1521340, 2434144, 3042680, 6085360, 12170720]

約数ペア:

[(1, 12170720), (2, 6085360), (4, 3042680), (5, 2434144), (8, 1521340), (10, 1217072), (16, 760670), (20, 608536), (29, 419680), (32, 380335), (40, 304268), (43, 283040), (58, 209840), (61, 199520), (80, 152134), (86, 141520), (116, 104920), (122, 99760), (145, 83936), (160, 76067), (172, 70760), (215, 56608), (232, 52460), (244, 49880), (290, 41968), (305, 39904), (344, 35380), (430, 28304), (464, 26230), (488, 24940), (580, 20984), (610, 19952), (688, 17690), (860, 14152), (928, 13115), (976, 12470), (1160, 10492), (1220, 9976), (1247, 9760), (1376, 8845), (1720, 7076), (1769, 6880), (1952, 6235), (2320, 5246), (2440, 4988), (2494, 4880), (2623, 4640), (3440, 3538)]