20749774080

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{771941}}^1$

素因数の和:771972

約数の個数: 144

約数和(自身を含む): 75736773504

約数和(自身を除く): 54986999424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 771941, 1543882, 2315823, 3087764, 3859705, 4631646, 5403587, 6175528, 7719410, 9263292, 10807174, 11579115, 12351056, 15438820, 16210761, 18526584, 21614348, 23158230, 24702112, 27017935, 30877640, 32421522, 37053168, 43228696, 46316460, 49404224, 54035870, 61755280, 64843044, 74106336, 81053805, 86457392, 92632920, 98808448, 108071740, 123510560, 129686088, 148212672, 162107610, 172914784, 185265840, 197616896, 216143480, 247021120, 259372176, 296425344, 324215220, 345829568, 370531680, 432286960, 494042240, 518744352, 592850688, 648430440, 691659136, 741063360, 864573920, 988084480, 1037488704, 1296860880, 1383318272, 1482126720, 1729147840, 2074977408, 2593721760, 2964253440, 3458295680, 4149954816, 5187443520, 6916591360, 10374887040, 20749774080]

約数ペア:

[(1, 20749774080), (2, 10374887040), (3, 6916591360), (4, 5187443520), (5, 4149954816), (6, 3458295680), (7, 2964253440), (8, 2593721760), (10, 2074977408), (12, 1729147840), (14, 1482126720), (15, 1383318272), (16, 1296860880), (20, 1037488704), (21, 988084480), (24, 864573920), (28, 741063360), (30, 691659136), (32, 648430440), (35, 592850688), (40, 518744352), (42, 494042240), (48, 432286960), (56, 370531680), (60, 345829568), (64, 324215220), (70, 296425344), (80, 259372176), (84, 247021120), (96, 216143480), (105, 197616896), (112, 185265840), (120, 172914784), (128, 162107610), (140, 148212672), (160, 129686088), (168, 123510560), (192, 108071740), (210, 98808448), (224, 92632920), (240, 86457392), (256, 81053805), (280, 74106336), (320, 64843044), (336, 61755280), (384, 54035870), (420, 49404224), (448, 46316460), (480, 43228696), (560, 37053168), (640, 32421522), (672, 30877640), (768, 27017935), (840, 24702112), (896, 23158230), (960, 21614348), (1120, 18526584), (1280, 16210761), (1344, 15438820), (1680, 12351056), (1792, 11579115), (1920, 10807174), (2240, 9263292), (2688, 7719410), (3360, 6175528), (3840, 5403587), (4480, 4631646), (5376, 3859705), (6720, 3087764), (8960, 2315823), (13440, 1543882), (26880, 771941)]