57281280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2131}}^1$

素因数の和:2162

約数の個数: 144

約数和(自身を含む): 209174784

約数和(自身を除く): 151893504

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, 2131, 2240, 2688, 3360, 3840, 4262, 4480, 5376, 6393, 6720, 8524, 8960, 10655, 12786, 13440, 14917, 17048, 21310, 25572, 26880, 29834, 31965, 34096, 42620, 44751, 51144, 59668, 63930, 68192, 74585, 85240, 89502, 102288, 119336, 127860, 136384, 149170, 170480, 179004, 204576, 223755, 238672, 255720, 272768, 298340, 340960, 358008, 409152, 447510, 477344, 511440, 545536, 596680, 681920, 716016, 818304, 895020, 954688, 1022880, 1193360, 1363840, 1432032, 1636608, 1790040, 1909376, 2045760, 2386720, 2727680, 2864064, 3580080, 3818752, 4091520, 4773440, 5728128, 7160160, 8183040, 9546880, 11456256, 14320320, 19093760, 28640640, 57281280]

約数ペア:

[(1, 57281280), (2, 28640640), (3, 19093760), (4, 14320320), (5, 11456256), (6, 9546880), (7, 8183040), (8, 7160160), (10, 5728128), (12, 4773440), (14, 4091520), (15, 3818752), (16, 3580080), (20, 2864064), (21, 2727680), (24, 2386720), (28, 2045760), (30, 1909376), (32, 1790040), (35, 1636608), (40, 1432032), (42, 1363840), (48, 1193360), (56, 1022880), (60, 954688), (64, 895020), (70, 818304), (80, 716016), (84, 681920), (96, 596680), (105, 545536), (112, 511440), (120, 477344), (128, 447510), (140, 409152), (160, 358008), (168, 340960), (192, 298340), (210, 272768), (224, 255720), (240, 238672), (256, 223755), (280, 204576), (320, 179004), (336, 170480), (384, 149170), (420, 136384), (448, 127860), (480, 119336), (560, 102288), (640, 89502), (672, 85240), (768, 74585), (840, 68192), (896, 63930), (960, 59668), (1120, 51144), (1280, 44751), (1344, 42620), (1680, 34096), (1792, 31965), (1920, 29834), (2131, 26880), (2240, 25572), (2688, 21310), (3360, 17048), (3840, 14917), (4262, 13440), (4480, 12786), (5376, 10655), (6393, 8960), (6720, 8524)]