278914560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1628

約数の個数: 160

約数和(自身を含む): 931011840

約数和(自身を除く): 652097280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 512, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1472, 1536, 1579, 1840, 1920, 2208, 2560, 2760, 2944, 3158, 3680, 3840, 4416, 4737, 5520, 5888, 6316, 7360, 7680, 7895, 8832, 9474, 11040, 11776, 12632, 14720, 15790, 17664, 18948, 22080, 23685, 25264, 29440, 31580, 35328, 36317, 37896, 44160, 47370, 50528, 58880, 63160, 72634, 75792, 88320, 94740, 101056, 108951, 126320, 145268, 151584, 176640, 181585, 189480, 202112, 217902, 252640, 290536, 303168, 363170, 378960, 404224, 435804, 505280, 544755, 581072, 606336, 726340, 757920, 808448, 871608, 1010560, 1089510, 1162144, 1212672, 1452680, 1515840, 1743216, 2021120, 2179020, 2324288, 2425344, 2905360, 3031680, 3486432, 4042240, 4358040, 4648576, 5810720, 6063360, 6972864, 8716080, 9297152, 11621440, 12126720, 13945728, 17432160, 18594304, 23242880, 27891456, 34864320, 46485760, 55782912, 69728640, 92971520, 139457280, 278914560]

約数ペア:

[(1, 278914560), (2, 139457280), (3, 92971520), (4, 69728640), (5, 55782912), (6, 46485760), (8, 34864320), (10, 27891456), (12, 23242880), (15, 18594304), (16, 17432160), (20, 13945728), (23, 12126720), (24, 11621440), (30, 9297152), (32, 8716080), (40, 6972864), (46, 6063360), (48, 5810720), (60, 4648576), (64, 4358040), (69, 4042240), (80, 3486432), (92, 3031680), (96, 2905360), (115, 2425344), (120, 2324288), (128, 2179020), (138, 2021120), (160, 1743216), (184, 1515840), (192, 1452680), (230, 1212672), (240, 1162144), (256, 1089510), (276, 1010560), (320, 871608), (345, 808448), (368, 757920), (384, 726340), (460, 606336), (480, 581072), (512, 544755), (552, 505280), (640, 435804), (690, 404224), (736, 378960), (768, 363170), (920, 303168), (960, 290536), (1104, 252640), (1280, 217902), (1380, 202112), (1472, 189480), (1536, 181585), (1579, 176640), (1840, 151584), (1920, 145268), (2208, 126320), (2560, 108951), (2760, 101056), (2944, 94740), (3158, 88320), (3680, 75792), (3840, 72634), (4416, 63160), (4737, 58880), (5520, 50528), (5888, 47370), (6316, 44160), (7360, 37896), (7680, 36317), (7895, 35328), (8832, 31580), (9474, 29440), (11040, 25264), (11776, 23685), (12632, 22080), (14720, 18948), (15790, 17664)]