678482560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{563}}^1$

素因数の和:858

約数の個数: 128

約数和(自身を含む): 1863907200

約数和(自身を除く): 1185424640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 269, 280, 320, 448, 538, 560, 563, 640, 896, 1076, 1120, 1126, 1345, 1883, 2152, 2240, 2252, 2690, 2815, 3766, 3941, 4304, 4480, 4504, 5380, 5630, 7532, 7882, 8608, 9008, 9415, 10760, 11260, 15064, 15764, 17216, 18016, 18830, 19705, 21520, 22520, 30128, 31528, 34432, 36032, 37660, 39410, 43040, 45040, 60256, 63056, 72064, 75320, 78820, 86080, 90080, 120512, 126112, 150640, 151447, 157640, 172160, 180160, 241024, 252224, 301280, 302894, 315280, 360320, 504448, 602560, 605788, 630560, 757235, 1060129, 1205120, 1211576, 1261120, 1514470, 2120258, 2423152, 2522240, 3028940, 4240516, 4846304, 5300645, 6057880, 8481032, 9692608, 10601290, 12115760, 16962064, 19385216, 21202580, 24231520, 33924128, 42405160, 48463040, 67848256, 84810320, 96926080, 135696512, 169620640, 339241280, 678482560]

約数ペア:

[(1, 678482560), (2, 339241280), (4, 169620640), (5, 135696512), (7, 96926080), (8, 84810320), (10, 67848256), (14, 48463040), (16, 42405160), (20, 33924128), (28, 24231520), (32, 21202580), (35, 19385216), (40, 16962064), (56, 12115760), (64, 10601290), (70, 9692608), (80, 8481032), (112, 6057880), (128, 5300645), (140, 4846304), (160, 4240516), (224, 3028940), (269, 2522240), (280, 2423152), (320, 2120258), (448, 1514470), (538, 1261120), (560, 1211576), (563, 1205120), (640, 1060129), (896, 757235), (1076, 630560), (1120, 605788), (1126, 602560), (1345, 504448), (1883, 360320), (2152, 315280), (2240, 302894), (2252, 301280), (2690, 252224), (2815, 241024), (3766, 180160), (3941, 172160), (4304, 157640), (4480, 151447), (4504, 150640), (5380, 126112), (5630, 120512), (7532, 90080), (7882, 86080), (8608, 78820), (9008, 75320), (9415, 72064), (10760, 63056), (11260, 60256), (15064, 45040), (15764, 43040), (17216, 39410), (18016, 37660), (18830, 36032), (19705, 34432), (21520, 31528), (22520, 30128)]