398315520

素因数分解:

$2^{12}\times 3^2\times 5^1\times {\mathrm{2161}}^1$

素因数の和:2196

約数の個数: 156

約数和(自身を含む): 1381297476

約数和(自身を除く): 982981956

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, 2161, 2304, 2560, 2880, 3072, 3840, 4096, 4322, 4608, 5120, 5760, 6144, 6483, 7680, 8644, 9216, 10240, 10805, 11520, 12288, 12966, 15360, 17288, 18432, 19449, 20480, 21610, 23040, 25932, 30720, 32415, 34576, 36864, 38898, 43220, 46080, 51864, 61440, 64830, 69152, 77796, 86440, 92160, 97245, 103728, 129660, 138304, 155592, 172880, 184320, 194490, 207456, 259320, 276608, 311184, 345760, 388980, 414912, 518640, 553216, 622368, 691520, 777960, 829824, 1037280, 1106432, 1244736, 1383040, 1555920, 1659648, 2074560, 2212864, 2489472, 2766080, 3111840, 3319296, 4149120, 4425728, 4978944, 5532160, 6223680, 6638592, 8298240, 8851456, 9957888, 11064320, 12447360, 13277184, 16596480, 19915776, 22128640, 24894720, 26554368, 33192960, 39831552, 44257280, 49789440, 66385920, 79663104, 99578880, 132771840, 199157760, 398315520]

約数ペア:

[(1, 398315520), (2, 199157760), (3, 132771840), (4, 99578880), (5, 79663104), (6, 66385920), (8, 49789440), (9, 44257280), (10, 39831552), (12, 33192960), (15, 26554368), (16, 24894720), (18, 22128640), (20, 19915776), (24, 16596480), (30, 13277184), (32, 12447360), (36, 11064320), (40, 9957888), (45, 8851456), (48, 8298240), (60, 6638592), (64, 6223680), (72, 5532160), (80, 4978944), (90, 4425728), (96, 4149120), (120, 3319296), (128, 3111840), (144, 2766080), (160, 2489472), (180, 2212864), (192, 2074560), (240, 1659648), (256, 1555920), (288, 1383040), (320, 1244736), (360, 1106432), (384, 1037280), (480, 829824), (512, 777960), (576, 691520), (640, 622368), (720, 553216), (768, 518640), (960, 414912), (1024, 388980), (1152, 345760), (1280, 311184), (1440, 276608), (1536, 259320), (1920, 207456), (2048, 194490), (2161, 184320), (2304, 172880), (2560, 155592), (2880, 138304), (3072, 129660), (3840, 103728), (4096, 97245), (4322, 92160), (4608, 86440), (5120, 77796), (5760, 69152), (6144, 64830), (6483, 61440), (7680, 51864), (8644, 46080), (9216, 43220), (10240, 38898), (10805, 36864), (11520, 34576), (12288, 32415), (12966, 30720), (15360, 25932), (17288, 23040), (18432, 21610), (19449, 20480)]