207980040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 664848000

約数和(自身を除く): 456867960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 269, 340, 379, 408, 510, 538, 680, 758, 807, 1020, 1076, 1137, 1345, 1516, 1614, 1895, 2040, 2152, 2274, 2690, 3032, 3228, 3790, 4035, 4548, 4573, 5380, 5685, 6443, 6456, 7580, 8070, 9096, 9146, 10760, 11370, 12886, 13719, 15160, 16140, 18292, 19329, 22740, 22865, 25772, 27438, 32215, 32280, 36584, 38658, 45480, 45730, 51544, 54876, 64430, 68595, 77316, 91460, 96645, 101951, 109752, 128860, 137190, 154632, 182920, 193290, 203902, 257720, 274380, 305853, 386580, 407804, 509755, 548760, 611706, 773160, 815608, 1019510, 1223412, 1529265, 1733167, 2039020, 2446824, 3058530, 3466334, 4078040, 5199501, 6117060, 6932668, 8665835, 10399002, 12234120, 13865336, 17331670, 20798004, 25997505, 34663340, 41596008, 51995010, 69326680, 103990020, 207980040]

約数ペア:

[(1, 207980040), (2, 103990020), (3, 69326680), (4, 51995010), (5, 41596008), (6, 34663340), (8, 25997505), (10, 20798004), (12, 17331670), (15, 13865336), (17, 12234120), (20, 10399002), (24, 8665835), (30, 6932668), (34, 6117060), (40, 5199501), (51, 4078040), (60, 3466334), (68, 3058530), (85, 2446824), (102, 2039020), (120, 1733167), (136, 1529265), (170, 1223412), (204, 1019510), (255, 815608), (269, 773160), (340, 611706), (379, 548760), (408, 509755), (510, 407804), (538, 386580), (680, 305853), (758, 274380), (807, 257720), (1020, 203902), (1076, 193290), (1137, 182920), (1345, 154632), (1516, 137190), (1614, 128860), (1895, 109752), (2040, 101951), (2152, 96645), (2274, 91460), (2690, 77316), (3032, 68595), (3228, 64430), (3790, 54876), (4035, 51544), (4548, 45730), (4573, 45480), (5380, 38658), (5685, 36584), (6443, 32280), (6456, 32215), (7580, 27438), (8070, 25772), (9096, 22865), (9146, 22740), (10760, 19329), (11370, 18292), (12886, 16140), (13719, 15160)]