646347744

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{320609}}^1$

素因数の和:320632

約数の個数: 72

約数和(自身を含む): 2100636720

約数和(自身を除く): 1454288976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 320609, 641218, 961827, 1282436, 1923654, 2244263, 2564872, 2885481, 3847308, 4488526, 5129744, 5770962, 6732789, 7694616, 8977052, 10259488, 11541924, 13465578, 15389232, 17954104, 20198367, 23083848, 26931156, 30778464, 35908208, 40396734, 46167696, 53862312, 71816416, 80793468, 92335392, 107724624, 161586936, 215449248, 323173872, 646347744]

約数ペア:

[(1, 646347744), (2, 323173872), (3, 215449248), (4, 161586936), (6, 107724624), (7, 92335392), (8, 80793468), (9, 71816416), (12, 53862312), (14, 46167696), (16, 40396734), (18, 35908208), (21, 30778464), (24, 26931156), (28, 23083848), (32, 20198367), (36, 17954104), (42, 15389232), (48, 13465578), (56, 11541924), (63, 10259488), (72, 8977052), (84, 7694616), (96, 6732789), (112, 5770962), (126, 5129744), (144, 4488526), (168, 3847308), (224, 2885481), (252, 2564872), (288, 2244263), (336, 1923654), (504, 1282436), (672, 961827), (1008, 641218), (2016, 320609)]