81515544

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 241678080

約数和(自身を除く): 160162536

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 41, 44, 51, 66, 68, 82, 88, 102, 123, 132, 136, 164, 187, 204, 246, 264, 328, 374, 408, 443, 451, 492, 561, 697, 748, 886, 902, 984, 1122, 1329, 1353, 1394, 1496, 1772, 1804, 2091, 2244, 2658, 2706, 2788, 3544, 3608, 4182, 4488, 4873, 5316, 5412, 5576, 7531, 7667, 8364, 9746, 10632, 10824, 14619, 15062, 15334, 16728, 18163, 19492, 22593, 23001, 29238, 30124, 30668, 36326, 38984, 45186, 46002, 54489, 58476, 60248, 61336, 72652, 82841, 90372, 92004, 108978, 116952, 145304, 165682, 180744, 184008, 199793, 217956, 248523, 308771, 331364, 399586, 435912, 497046, 599379, 617542, 662728, 799172, 926313, 994092, 1198758, 1235084, 1598344, 1852626, 1988184, 2397516, 2470168, 3396481, 3705252, 4795032, 6792962, 7410504, 10189443, 13585924, 20378886, 27171848, 40757772, 81515544]

約数ペア:

[(1, 81515544), (2, 40757772), (3, 27171848), (4, 20378886), (6, 13585924), (8, 10189443), (11, 7410504), (12, 6792962), (17, 4795032), (22, 3705252), (24, 3396481), (33, 2470168), (34, 2397516), (41, 1988184), (44, 1852626), (51, 1598344), (66, 1235084), (68, 1198758), (82, 994092), (88, 926313), (102, 799172), (123, 662728), (132, 617542), (136, 599379), (164, 497046), (187, 435912), (204, 399586), (246, 331364), (264, 308771), (328, 248523), (374, 217956), (408, 199793), (443, 184008), (451, 180744), (492, 165682), (561, 145304), (697, 116952), (748, 108978), (886, 92004), (902, 90372), (984, 82841), (1122, 72652), (1329, 61336), (1353, 60248), (1394, 58476), (1496, 54489), (1772, 46002), (1804, 45186), (2091, 38984), (2244, 36326), (2658, 30668), (2706, 30124), (2788, 29238), (3544, 23001), (3608, 22593), (4182, 19492), (4488, 18163), (4873, 16728), (5316, 15334), (5412, 15062), (5576, 14619), (7531, 10824), (7667, 10632), (8364, 9746)]