420062720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 160

約数和(自身を含む): 1256276736

約数和(自身を除く): 836214016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 512, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2131, 2240, 2464, 2560, 2816, 3080, 3520, 3584, 4262, 4480, 4928, 5632, 6160, 7040, 8524, 8960, 9856, 10655, 12320, 14080, 14917, 17048, 17920, 19712, 21310, 23441, 24640, 28160, 29834, 34096, 39424, 42620, 46882, 49280, 59668, 68192, 74585, 85240, 93764, 98560, 117205, 119336, 136384, 149170, 164087, 170480, 187528, 197120, 234410, 238672, 272768, 298340, 328174, 340960, 375056, 468820, 477344, 545536, 596680, 656348, 681920, 750112, 820435, 937640, 954688, 1091072, 1193360, 1312696, 1363840, 1500224, 1640870, 1875280, 1909376, 2386720, 2625392, 2727680, 3000448, 3281740, 3750560, 3818752, 4773440, 5250784, 5455360, 6000896, 6563480, 7501120, 7637504, 9546880, 10501568, 12001792, 13126960, 15002240, 19093760, 21003136, 26253920, 30004480, 38187520, 42006272, 52507840, 60008960, 84012544, 105015680, 210031360, 420062720]

約数ペア:

[(1, 420062720), (2, 210031360), (4, 105015680), (5, 84012544), (7, 60008960), (8, 52507840), (10, 42006272), (11, 38187520), (14, 30004480), (16, 26253920), (20, 21003136), (22, 19093760), (28, 15002240), (32, 13126960), (35, 12001792), (40, 10501568), (44, 9546880), (55, 7637504), (56, 7501120), (64, 6563480), (70, 6000896), (77, 5455360), (80, 5250784), (88, 4773440), (110, 3818752), (112, 3750560), (128, 3281740), (140, 3000448), (154, 2727680), (160, 2625392), (176, 2386720), (220, 1909376), (224, 1875280), (256, 1640870), (280, 1500224), (308, 1363840), (320, 1312696), (352, 1193360), (385, 1091072), (440, 954688), (448, 937640), (512, 820435), (560, 750112), (616, 681920), (640, 656348), (704, 596680), (770, 545536), (880, 477344), (896, 468820), (1120, 375056), (1232, 340960), (1280, 328174), (1408, 298340), (1540, 272768), (1760, 238672), (1792, 234410), (2131, 197120), (2240, 187528), (2464, 170480), (2560, 164087), (2816, 149170), (3080, 136384), (3520, 119336), (3584, 117205), (4262, 98560), (4480, 93764), (4928, 85240), (5632, 74585), (6160, 68192), (7040, 59668), (8524, 49280), (8960, 46882), (9856, 42620), (10655, 39424), (12320, 34096), (14080, 29834), (14917, 28160), (17048, 24640), (17920, 23441), (19712, 21310)]