261247272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 773660160

約数和(自身を除く): 512412888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 163, 264, 286, 312, 326, 429, 467, 489, 572, 652, 858, 934, 978, 1144, 1304, 1401, 1716, 1793, 1868, 1956, 2119, 2802, 3432, 3586, 3736, 3912, 4238, 5137, 5379, 5604, 6071, 6357, 7172, 8476, 10274, 10758, 11208, 12142, 12714, 14344, 15411, 16952, 18213, 20548, 21516, 23309, 24284, 25428, 30822, 36426, 41096, 43032, 46618, 48568, 50856, 61644, 66781, 69927, 72852, 76121, 93236, 123288, 133562, 139854, 145704, 152242, 186472, 200343, 228363, 267124, 279708, 304484, 400686, 456726, 534248, 559416, 608968, 801372, 837331, 913452, 989573, 1602744, 1674662, 1826904, 1979146, 2511993, 2968719, 3349324, 3958292, 5023986, 5937438, 6698648, 7916584, 10047972, 10885303, 11874876, 20095944, 21770606, 23749752, 32655909, 43541212, 65311818, 87082424, 130623636, 261247272]

約数ペア:

[(1, 261247272), (2, 130623636), (3, 87082424), (4, 65311818), (6, 43541212), (8, 32655909), (11, 23749752), (12, 21770606), (13, 20095944), (22, 11874876), (24, 10885303), (26, 10047972), (33, 7916584), (39, 6698648), (44, 5937438), (52, 5023986), (66, 3958292), (78, 3349324), (88, 2968719), (104, 2511993), (132, 1979146), (143, 1826904), (156, 1674662), (163, 1602744), (264, 989573), (286, 913452), (312, 837331), (326, 801372), (429, 608968), (467, 559416), (489, 534248), (572, 456726), (652, 400686), (858, 304484), (934, 279708), (978, 267124), (1144, 228363), (1304, 200343), (1401, 186472), (1716, 152242), (1793, 145704), (1868, 139854), (1956, 133562), (2119, 123288), (2802, 93236), (3432, 76121), (3586, 72852), (3736, 69927), (3912, 66781), (4238, 61644), (5137, 50856), (5379, 48568), (5604, 46618), (6071, 43032), (6357, 41096), (7172, 36426), (8476, 30822), (10274, 25428), (10758, 24284), (11208, 23309), (12142, 21516), (12714, 20548), (14344, 18213), (15411, 16952)]