80720892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:792

約数の個数: 144

約数和(自身を含む): 256488960

約数和(自身を除く): 175768068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 28, 36, 38, 42, 46, 57, 63, 69, 76, 84, 92, 114, 126, 133, 138, 161, 171, 207, 228, 252, 266, 276, 322, 342, 399, 414, 437, 483, 532, 644, 684, 733, 798, 828, 874, 966, 1197, 1311, 1449, 1466, 1596, 1748, 1932, 2199, 2394, 2622, 2898, 2932, 3059, 3933, 4398, 4788, 5131, 5244, 5796, 6118, 6597, 7866, 8796, 9177, 10262, 12236, 13194, 13927, 15393, 15732, 16859, 18354, 20524, 26388, 27531, 27854, 30786, 33718, 36708, 41781, 46179, 50577, 55062, 55708, 61572, 67436, 83562, 92358, 97489, 101154, 110124, 118013, 125343, 151731, 167124, 184716, 194978, 202308, 236026, 250686, 292467, 303462, 320321, 354039, 389956, 472052, 501372, 584934, 606924, 640642, 708078, 877401, 960963, 1062117, 1169868, 1281284, 1416156, 1754802, 1921926, 2124234, 2242247, 2882889, 3509604, 3843852, 4248468, 4484494, 5765778, 6726741, 8968988, 11531556, 13453482, 20180223, 26906964, 40360446, 80720892]

約数ペア:

[(1, 80720892), (2, 40360446), (3, 26906964), (4, 20180223), (6, 13453482), (7, 11531556), (9, 8968988), (12, 6726741), (14, 5765778), (18, 4484494), (19, 4248468), (21, 3843852), (23, 3509604), (28, 2882889), (36, 2242247), (38, 2124234), (42, 1921926), (46, 1754802), (57, 1416156), (63, 1281284), (69, 1169868), (76, 1062117), (84, 960963), (92, 877401), (114, 708078), (126, 640642), (133, 606924), (138, 584934), (161, 501372), (171, 472052), (207, 389956), (228, 354039), (252, 320321), (266, 303462), (276, 292467), (322, 250686), (342, 236026), (399, 202308), (414, 194978), (437, 184716), (483, 167124), (532, 151731), (644, 125343), (684, 118013), (733, 110124), (798, 101154), (828, 97489), (874, 92358), (966, 83562), (1197, 67436), (1311, 61572), (1449, 55708), (1466, 55062), (1596, 50577), (1748, 46179), (1932, 41781), (2199, 36708), (2394, 33718), (2622, 30786), (2898, 27854), (2932, 27531), (3059, 26388), (3933, 20524), (4398, 18354), (4788, 16859), (5131, 15732), (5244, 15393), (5796, 13927), (6118, 13194), (6597, 12236), (7866, 10262), (8796, 9177)]