890449920

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{4831}}^1$

素因数の和:4866

約数の個数: 156

約数和(自身を含む): 3087155136

約数和(自身を除く): 2196705216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4096, 4608, 4831, 5120, 5760, 6144, 7680, 9216, 9662, 10240, 11520, 12288, 14493, 15360, 18432, 19324, 20480, 23040, 24155, 28986, 30720, 36864, 38648, 43479, 46080, 48310, 57972, 61440, 72465, 77296, 86958, 92160, 96620, 115944, 144930, 154592, 173916, 184320, 193240, 217395, 231888, 289860, 309184, 347832, 386480, 434790, 463776, 579720, 618368, 695664, 772960, 869580, 927552, 1159440, 1236736, 1391328, 1545920, 1739160, 1855104, 2318880, 2473472, 2782656, 3091840, 3478320, 3710208, 4637760, 4946944, 5565312, 6183680, 6956640, 7420416, 9275520, 9893888, 11130624, 12367360, 13913280, 14840832, 18551040, 19787776, 22261248, 24734720, 27826560, 29681664, 37102080, 44522496, 49469440, 55653120, 59363328, 74204160, 89044992, 98938880, 111306240, 148408320, 178089984, 222612480, 296816640, 445224960, 890449920]

約数ペア:

[(1, 890449920), (2, 445224960), (3, 296816640), (4, 222612480), (5, 178089984), (6, 148408320), (8, 111306240), (9, 98938880), (10, 89044992), (12, 74204160), (15, 59363328), (16, 55653120), (18, 49469440), (20, 44522496), (24, 37102080), (30, 29681664), (32, 27826560), (36, 24734720), (40, 22261248), (45, 19787776), (48, 18551040), (60, 14840832), (64, 13913280), (72, 12367360), (80, 11130624), (90, 9893888), (96, 9275520), (120, 7420416), (128, 6956640), (144, 6183680), (160, 5565312), (180, 4946944), (192, 4637760), (240, 3710208), (256, 3478320), (288, 3091840), (320, 2782656), (360, 2473472), (384, 2318880), (480, 1855104), (512, 1739160), (576, 1545920), (640, 1391328), (720, 1236736), (768, 1159440), (960, 927552), (1024, 869580), (1152, 772960), (1280, 695664), (1440, 618368), (1536, 579720), (1920, 463776), (2048, 434790), (2304, 386480), (2560, 347832), (2880, 309184), (3072, 289860), (3840, 231888), (4096, 217395), (4608, 193240), (4831, 184320), (5120, 173916), (5760, 154592), (6144, 144930), (7680, 115944), (9216, 96620), (9662, 92160), (10240, 86958), (11520, 77296), (12288, 72465), (14493, 61440), (15360, 57972), (18432, 48310), (19324, 46080), (20480, 43479), (23040, 38648), (24155, 36864), (28986, 30720)]