66938960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 182666880

約数和(自身を除く): 115727920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 43, 44, 55, 58, 61, 80, 86, 88, 110, 116, 122, 145, 172, 176, 215, 220, 232, 244, 290, 305, 319, 344, 430, 440, 464, 473, 488, 580, 610, 638, 671, 688, 860, 880, 946, 976, 1160, 1220, 1247, 1276, 1342, 1595, 1720, 1769, 1892, 2320, 2365, 2440, 2494, 2552, 2623, 2684, 3190, 3355, 3440, 3538, 3784, 4730, 4880, 4988, 5104, 5246, 5368, 6235, 6380, 6710, 7076, 7568, 8845, 9460, 9976, 10492, 10736, 12470, 12760, 13115, 13420, 13717, 14152, 17690, 18920, 19459, 19952, 20984, 24940, 25520, 26230, 26840, 27434, 28304, 28853, 35380, 37840, 38918, 41968, 49880, 52460, 53680, 54868, 57706, 68585, 70760, 76067, 77836, 97295, 99760, 104920, 109736, 115412, 137170, 141520, 144265, 152134, 155672, 194590, 209840, 219472, 230824, 274340, 288530, 304268, 311344, 380335, 389180, 461648, 548680, 577060, 608536, 760670, 778360, 836737, 1097360, 1154120, 1217072, 1521340, 1556720, 1673474, 2308240, 3042680, 3346948, 4183685, 6085360, 6693896, 8367370, 13387792, 16734740, 33469480, 66938960]

約数ペア:

[(1, 66938960), (2, 33469480), (4, 16734740), (5, 13387792), (8, 8367370), (10, 6693896), (11, 6085360), (16, 4183685), (20, 3346948), (22, 3042680), (29, 2308240), (40, 1673474), (43, 1556720), (44, 1521340), (55, 1217072), (58, 1154120), (61, 1097360), (80, 836737), (86, 778360), (88, 760670), (110, 608536), (116, 577060), (122, 548680), (145, 461648), (172, 389180), (176, 380335), (215, 311344), (220, 304268), (232, 288530), (244, 274340), (290, 230824), (305, 219472), (319, 209840), (344, 194590), (430, 155672), (440, 152134), (464, 144265), (473, 141520), (488, 137170), (580, 115412), (610, 109736), (638, 104920), (671, 99760), (688, 97295), (860, 77836), (880, 76067), (946, 70760), (976, 68585), (1160, 57706), (1220, 54868), (1247, 53680), (1276, 52460), (1342, 49880), (1595, 41968), (1720, 38918), (1769, 37840), (1892, 35380), (2320, 28853), (2365, 28304), (2440, 27434), (2494, 26840), (2552, 26230), (2623, 25520), (2684, 24940), (3190, 20984), (3355, 19952), (3440, 19459), (3538, 18920), (3784, 17690), (4730, 14152), (4880, 13717), (4988, 13420), (5104, 13115), (5246, 12760), (5368, 12470), (6235, 10736), (6380, 10492), (6710, 9976), (7076, 9460), (7568, 8845)]