264217840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1970

約数の個数: 80

約数和(自身を含む): 646253280

約数和(自身を除く): 382035440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1160, 1220, 1769, 1867, 2320, 2440, 3538, 3734, 4880, 7076, 7468, 8845, 9335, 14152, 14936, 17690, 18670, 28304, 29872, 35380, 37340, 54143, 70760, 74680, 108286, 113887, 141520, 149360, 216572, 227774, 270715, 433144, 455548, 541430, 569435, 866288, 911096, 1082860, 1138870, 1822192, 2165720, 2277740, 3302723, 4331440, 4555480, 6605446, 9110960, 13210892, 16513615, 26421784, 33027230, 52843568, 66054460, 132108920, 264217840]

約数ペア:

[(1, 264217840), (2, 132108920), (4, 66054460), (5, 52843568), (8, 33027230), (10, 26421784), (16, 16513615), (20, 13210892), (29, 9110960), (40, 6605446), (58, 4555480), (61, 4331440), (80, 3302723), (116, 2277740), (122, 2165720), (145, 1822192), (232, 1138870), (244, 1082860), (290, 911096), (305, 866288), (464, 569435), (488, 541430), (580, 455548), (610, 433144), (976, 270715), (1160, 227774), (1220, 216572), (1769, 149360), (1867, 141520), (2320, 113887), (2440, 108286), (3538, 74680), (3734, 70760), (4880, 54143), (7076, 37340), (7468, 35380), (8845, 29872), (9335, 28304), (14152, 18670), (14936, 17690)]