640487088

素因数分解:

$2^4\times 3^4\times {\mathrm{317}}^1\times {\mathrm{1559}}^1$

素因数の和:1896

約数の個数: 100

約数和(自身を含む): 1860796080

約数和(自身を除く): 1220308992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 317, 324, 432, 634, 648, 951, 1268, 1296, 1559, 1902, 2536, 2853, 3118, 3804, 4677, 5072, 5706, 6236, 7608, 8559, 9354, 11412, 12472, 14031, 15216, 17118, 18708, 22824, 24944, 25677, 28062, 34236, 37416, 42093, 45648, 51354, 56124, 68472, 74832, 84186, 102708, 112248, 126279, 136944, 168372, 205416, 224496, 252558, 336744, 410832, 494203, 505116, 673488, 988406, 1010232, 1482609, 1976812, 2020464, 2965218, 3953624, 4447827, 5930436, 7907248, 8895654, 11860872, 13343481, 17791308, 23721744, 26686962, 35582616, 40030443, 53373924, 71165232, 80060886, 106747848, 160121772, 213495696, 320243544, 640487088]

約数ペア:

[(1, 640487088), (2, 320243544), (3, 213495696), (4, 160121772), (6, 106747848), (8, 80060886), (9, 71165232), (12, 53373924), (16, 40030443), (18, 35582616), (24, 26686962), (27, 23721744), (36, 17791308), (48, 13343481), (54, 11860872), (72, 8895654), (81, 7907248), (108, 5930436), (144, 4447827), (162, 3953624), (216, 2965218), (317, 2020464), (324, 1976812), (432, 1482609), (634, 1010232), (648, 988406), (951, 673488), (1268, 505116), (1296, 494203), (1559, 410832), (1902, 336744), (2536, 252558), (2853, 224496), (3118, 205416), (3804, 168372), (4677, 136944), (5072, 126279), (5706, 112248), (6236, 102708), (7608, 84186), (8559, 74832), (9354, 68472), (11412, 56124), (12472, 51354), (14031, 45648), (15216, 42093), (17118, 37416), (18708, 34236), (22824, 28062), (24944, 25677)]