8664040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 25401600

約数和(自身を除く): 16737560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 97, 110, 116, 140, 145, 154, 194, 203, 220, 232, 280, 290, 308, 319, 385, 388, 406, 440, 485, 580, 616, 638, 679, 770, 776, 812, 970, 1015, 1067, 1160, 1276, 1358, 1540, 1595, 1624, 1940, 2030, 2134, 2233, 2552, 2716, 2813, 3080, 3190, 3395, 3880, 4060, 4268, 4466, 5335, 5432, 5626, 6380, 6790, 7469, 8120, 8536, 8932, 10670, 11165, 11252, 12760, 13580, 14065, 14938, 17864, 19691, 21340, 22330, 22504, 27160, 28130, 29876, 30943, 37345, 39382, 42680, 44660, 56260, 59752, 61886, 74690, 78764, 89320, 98455, 112520, 123772, 149380, 154715, 157528, 196910, 216601, 247544, 298760, 309430, 393820, 433202, 618860, 787640, 866404, 1083005, 1237720, 1732808, 2166010, 4332020, 8664040]

約数ペア:

[(1, 8664040), (2, 4332020), (4, 2166010), (5, 1732808), (7, 1237720), (8, 1083005), (10, 866404), (11, 787640), (14, 618860), (20, 433202), (22, 393820), (28, 309430), (29, 298760), (35, 247544), (40, 216601), (44, 196910), (55, 157528), (56, 154715), (58, 149380), (70, 123772), (77, 112520), (88, 98455), (97, 89320), (110, 78764), (116, 74690), (140, 61886), (145, 59752), (154, 56260), (194, 44660), (203, 42680), (220, 39382), (232, 37345), (280, 30943), (290, 29876), (308, 28130), (319, 27160), (385, 22504), (388, 22330), (406, 21340), (440, 19691), (485, 17864), (580, 14938), (616, 14065), (638, 13580), (679, 12760), (770, 11252), (776, 11165), (812, 10670), (970, 8932), (1015, 8536), (1067, 8120), (1160, 7469), (1276, 6790), (1358, 6380), (1540, 5626), (1595, 5432), (1624, 5335), (1940, 4466), (2030, 4268), (2134, 4060), (2233, 3880), (2552, 3395), (2716, 3190), (2813, 3080)]