261818064

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:793

約数の個数: 120

約数和(自身を含む): 766022400

約数和(自身を除く): 504204336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 89, 93, 124, 144, 178, 186, 248, 267, 279, 356, 372, 496, 534, 558, 659, 712, 744, 801, 1068, 1116, 1318, 1424, 1488, 1602, 1977, 2136, 2232, 2636, 2759, 3204, 3954, 4272, 4464, 5272, 5518, 5931, 6408, 7908, 8277, 10544, 11036, 11862, 12816, 15816, 16554, 20429, 22072, 23724, 24831, 31632, 33108, 40858, 44144, 47448, 49662, 58651, 61287, 66216, 81716, 94896, 99324, 117302, 122574, 132432, 163432, 175953, 183861, 198648, 234604, 245148, 326864, 351906, 367722, 397296, 469208, 490296, 527859, 703812, 735444, 938416, 980592, 1055718, 1407624, 1470888, 1818181, 2111436, 2815248, 2941776, 3636362, 4222872, 5454543, 7272724, 8445744, 10909086, 14545448, 16363629, 21818172, 29090896, 32727258, 43636344, 65454516, 87272688, 130909032, 261818064]

約数ペア:

[(1, 261818064), (2, 130909032), (3, 87272688), (4, 65454516), (6, 43636344), (8, 32727258), (9, 29090896), (12, 21818172), (16, 16363629), (18, 14545448), (24, 10909086), (31, 8445744), (36, 7272724), (48, 5454543), (62, 4222872), (72, 3636362), (89, 2941776), (93, 2815248), (124, 2111436), (144, 1818181), (178, 1470888), (186, 1407624), (248, 1055718), (267, 980592), (279, 938416), (356, 735444), (372, 703812), (496, 527859), (534, 490296), (558, 469208), (659, 397296), (712, 367722), (744, 351906), (801, 326864), (1068, 245148), (1116, 234604), (1318, 198648), (1424, 183861), (1488, 175953), (1602, 163432), (1977, 132432), (2136, 122574), (2232, 117302), (2636, 99324), (2759, 94896), (3204, 81716), (3954, 66216), (4272, 61287), (4464, 58651), (5272, 49662), (5518, 47448), (5931, 44144), (6408, 40858), (7908, 33108), (8277, 31632), (10544, 24831), (11036, 23724), (11862, 22072), (12816, 20429), (15816, 16554)]