645272208

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{640151}}^1$

素因数の和:640172

約数の個数: 60

約数和(自身を含む): 2063850048

約数和(自身を除く): 1418577840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 640151, 1280302, 1920453, 2560604, 3840906, 4481057, 5121208, 5761359, 7681812, 8962114, 10242416, 11522718, 13443171, 15363624, 17924228, 23045436, 26886342, 30727248, 35848456, 40329513, 46090872, 53772684, 71696912, 80659026, 92181744, 107545368, 161318052, 215090736, 322636104, 645272208]

約数ペア:

[(1, 645272208), (2, 322636104), (3, 215090736), (4, 161318052), (6, 107545368), (7, 92181744), (8, 80659026), (9, 71696912), (12, 53772684), (14, 46090872), (16, 40329513), (18, 35848456), (21, 30727248), (24, 26886342), (28, 23045436), (36, 17924228), (42, 15363624), (48, 13443171), (56, 11522718), (63, 10242416), (72, 8962114), (84, 7681812), (112, 5761359), (126, 5121208), (144, 4481057), (168, 3840906), (252, 2560604), (336, 1920453), (504, 1280302), (1008, 640151)]