80169760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 215373816

約数和(自身を除く): 135204056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 101, 110, 121, 160, 164, 176, 202, 205, 220, 242, 328, 352, 404, 410, 440, 451, 484, 505, 605, 656, 808, 820, 880, 902, 968, 1010, 1111, 1210, 1312, 1616, 1640, 1760, 1804, 1936, 2020, 2222, 2255, 2420, 3232, 3280, 3608, 3872, 4040, 4141, 4444, 4510, 4840, 4961, 5555, 6560, 7216, 8080, 8282, 8888, 9020, 9680, 9922, 11110, 12221, 14432, 16160, 16564, 17776, 18040, 19360, 19844, 20705, 22220, 24442, 24805, 33128, 35552, 36080, 39688, 41410, 44440, 45551, 48884, 49610, 61105, 66256, 72160, 79376, 82820, 88880, 91102, 97768, 99220, 122210, 132512, 158752, 165640, 177760, 182204, 195536, 198440, 227755, 244420, 331280, 364408, 391072, 396880, 455510, 488840, 501061, 662560, 728816, 793760, 911020, 977680, 1002122, 1457632, 1822040, 1955360, 2004244, 2505305, 3644080, 4008488, 5010610, 7288160, 8016976, 10021220, 16033952, 20042440, 40084880, 80169760]

約数ペア:

[(1, 80169760), (2, 40084880), (4, 20042440), (5, 16033952), (8, 10021220), (10, 8016976), (11, 7288160), (16, 5010610), (20, 4008488), (22, 3644080), (32, 2505305), (40, 2004244), (41, 1955360), (44, 1822040), (55, 1457632), (80, 1002122), (82, 977680), (88, 911020), (101, 793760), (110, 728816), (121, 662560), (160, 501061), (164, 488840), (176, 455510), (202, 396880), (205, 391072), (220, 364408), (242, 331280), (328, 244420), (352, 227755), (404, 198440), (410, 195536), (440, 182204), (451, 177760), (484, 165640), (505, 158752), (605, 132512), (656, 122210), (808, 99220), (820, 97768), (880, 91102), (902, 88880), (968, 82820), (1010, 79376), (1111, 72160), (1210, 66256), (1312, 61105), (1616, 49610), (1640, 48884), (1760, 45551), (1804, 44440), (1936, 41410), (2020, 39688), (2222, 36080), (2255, 35552), (2420, 33128), (3232, 24805), (3280, 24442), (3608, 22220), (3872, 20705), (4040, 19844), (4141, 19360), (4444, 18040), (4510, 17776), (4840, 16564), (4961, 16160), (5555, 14432), (6560, 12221), (7216, 11110), (8080, 9922), (8282, 9680), (8888, 9020)]