640932768

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{317923}}^1$

素因数の和:317946

約数の個数: 72

約数和(自身を含む): 2083038048

約数和(自身を除く): 1442105280

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, 317923, 635846, 953769, 1271692, 1907538, 2225461, 2543384, 2861307, 3815076, 4450922, 5086768, 5722614, 6676383, 7630152, 8901844, 10173536, 11445228, 13352766, 15260304, 17803688, 20029149, 22890456, 26705532, 30520608, 35607376, 40058298, 45780912, 53411064, 71214752, 80116596, 91561824, 106822128, 160233192, 213644256, 320466384, 640932768]

約数ペア:

[(1, 640932768), (2, 320466384), (3, 213644256), (4, 160233192), (6, 106822128), (7, 91561824), (8, 80116596), (9, 71214752), (12, 53411064), (14, 45780912), (16, 40058298), (18, 35607376), (21, 30520608), (24, 26705532), (28, 22890456), (32, 20029149), (36, 17803688), (42, 15260304), (48, 13352766), (56, 11445228), (63, 10173536), (72, 8901844), (84, 7630152), (96, 6676383), (112, 5722614), (126, 5086768), (144, 4450922), (168, 3815076), (224, 2861307), (252, 2543384), (288, 2225461), (336, 1907538), (504, 1271692), (672, 953769), (1008, 635846), (2016, 317923)]