917577920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 168

約数和(自身を含む): 2566080720

約数和(自身を除く): 1648502800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 139, 140, 160, 196, 224, 245, 278, 280, 320, 392, 421, 448, 490, 556, 560, 695, 784, 842, 973, 980, 1112, 1120, 1390, 1568, 1684, 1946, 1960, 2105, 2224, 2240, 2780, 2947, 3136, 3368, 3892, 3920, 4210, 4448, 4865, 5560, 5894, 6736, 6811, 7784, 7840, 8420, 8896, 9730, 11120, 11788, 13472, 13622, 14735, 15568, 15680, 16840, 19460, 20629, 22240, 23576, 26944, 27244, 29470, 31136, 33680, 34055, 38920, 41258, 44480, 47152, 54488, 58519, 58940, 62272, 67360, 68110, 77840, 82516, 94304, 103145, 108976, 117038, 117880, 134720, 136220, 155680, 165032, 188608, 206290, 217952, 234076, 235760, 272440, 292595, 311360, 330064, 409633, 412580, 435904, 468152, 471520, 544880, 585190, 660128, 819266, 825160, 936304, 943040, 1089760, 1170380, 1320256, 1638532, 1650320, 1872608, 2048165, 2179520, 2340760, 2867431, 3277064, 3300640, 3745216, 4096330, 4681520, 5734862, 6554128, 6601280, 8192660, 9363040, 11469724, 13108256, 14337155, 16385320, 18726080, 22939448, 26216512, 28674310, 32770640, 45878896, 57348620, 65541280, 91757792, 114697240, 131082560, 183515584, 229394480, 458788960, 917577920]

約数ペア:

[(1, 917577920), (2, 458788960), (4, 229394480), (5, 183515584), (7, 131082560), (8, 114697240), (10, 91757792), (14, 65541280), (16, 57348620), (20, 45878896), (28, 32770640), (32, 28674310), (35, 26216512), (40, 22939448), (49, 18726080), (56, 16385320), (64, 14337155), (70, 13108256), (80, 11469724), (98, 9363040), (112, 8192660), (139, 6601280), (140, 6554128), (160, 5734862), (196, 4681520), (224, 4096330), (245, 3745216), (278, 3300640), (280, 3277064), (320, 2867431), (392, 2340760), (421, 2179520), (448, 2048165), (490, 1872608), (556, 1650320), (560, 1638532), (695, 1320256), (784, 1170380), (842, 1089760), (973, 943040), (980, 936304), (1112, 825160), (1120, 819266), (1390, 660128), (1568, 585190), (1684, 544880), (1946, 471520), (1960, 468152), (2105, 435904), (2224, 412580), (2240, 409633), (2780, 330064), (2947, 311360), (3136, 292595), (3368, 272440), (3892, 235760), (3920, 234076), (4210, 217952), (4448, 206290), (4865, 188608), (5560, 165032), (5894, 155680), (6736, 136220), (6811, 134720), (7784, 117880), (7840, 117038), (8420, 108976), (8896, 103145), (9730, 94304), (11120, 82516), (11788, 77840), (13472, 68110), (13622, 67360), (14735, 62272), (15568, 58940), (15680, 58519), (16840, 54488), (19460, 47152), (20629, 44480), (22240, 41258), (23576, 38920), (26944, 34055), (27244, 33680), (29470, 31136)]