206920728

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 660231000

約数和(自身を除く): 453310272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 89, 98, 126, 147, 168, 178, 196, 252, 267, 294, 356, 392, 441, 504, 534, 588, 623, 659, 712, 801, 882, 1068, 1176, 1246, 1318, 1602, 1764, 1869, 1977, 2136, 2492, 2636, 3204, 3528, 3738, 3954, 4361, 4613, 4984, 5272, 5607, 5931, 6408, 7476, 7908, 8722, 9226, 11214, 11862, 13083, 13839, 14952, 15816, 17444, 18452, 22428, 23724, 26166, 27678, 32291, 34888, 36904, 39249, 41517, 44856, 47448, 52332, 55356, 58651, 64582, 78498, 83034, 96873, 104664, 110712, 117302, 129164, 156996, 166068, 175953, 193746, 234604, 258328, 290619, 313992, 332136, 351906, 387492, 410557, 469208, 527859, 581238, 703812, 774984, 821114, 1055718, 1162476, 1231671, 1407624, 1642228, 2111436, 2324952, 2463342, 2873899, 3284456, 3695013, 4222872, 4926684, 5747798, 7390026, 8621697, 9853368, 11495596, 14780052, 17243394, 22991192, 25865091, 29560104, 34486788, 51730182, 68973576, 103460364, 206920728]

約数ペア:

[(1, 206920728), (2, 103460364), (3, 68973576), (4, 51730182), (6, 34486788), (7, 29560104), (8, 25865091), (9, 22991192), (12, 17243394), (14, 14780052), (18, 11495596), (21, 9853368), (24, 8621697), (28, 7390026), (36, 5747798), (42, 4926684), (49, 4222872), (56, 3695013), (63, 3284456), (72, 2873899), (84, 2463342), (89, 2324952), (98, 2111436), (126, 1642228), (147, 1407624), (168, 1231671), (178, 1162476), (196, 1055718), (252, 821114), (267, 774984), (294, 703812), (356, 581238), (392, 527859), (441, 469208), (504, 410557), (534, 387492), (588, 351906), (623, 332136), (659, 313992), (712, 290619), (801, 258328), (882, 234604), (1068, 193746), (1176, 175953), (1246, 166068), (1318, 156996), (1602, 129164), (1764, 117302), (1869, 110712), (1977, 104664), (2136, 96873), (2492, 83034), (2636, 78498), (3204, 64582), (3528, 58651), (3738, 55356), (3954, 52332), (4361, 47448), (4613, 44856), (4984, 41517), (5272, 39249), (5607, 36904), (5931, 34888), (6408, 32291), (7476, 27678), (7908, 26166), (8722, 23724), (9226, 22428), (11214, 18452), (11862, 17444), (13083, 15816), (13839, 14952)]