258416640

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{701}}^1$

素因数の和:738

約数の個数: 168

約数和(自身を含む): 897067548

約数和(自身を除く): 638650908

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, 701, 720, 768, 960, 1024, 1152, 1280, 1402, 1440, 1536, 1920, 2048, 2103, 2304, 2560, 2804, 2880, 3072, 3505, 3840, 4096, 4206, 4608, 5120, 5608, 5760, 6144, 6309, 7010, 7680, 8192, 8412, 9216, 10240, 10515, 11216, 11520, 12288, 12618, 14020, 15360, 16824, 18432, 20480, 21030, 22432, 23040, 24576, 25236, 28040, 30720, 31545, 33648, 36864, 40960, 42060, 44864, 46080, 50472, 56080, 61440, 63090, 67296, 73728, 84120, 89728, 92160, 100944, 112160, 122880, 126180, 134592, 168240, 179456, 184320, 201888, 224320, 252360, 269184, 336480, 358912, 368640, 403776, 448640, 504720, 538368, 672960, 717824, 807552, 897280, 1009440, 1076736, 1345920, 1435648, 1615104, 1794560, 2018880, 2153472, 2691840, 2871296, 3230208, 3589120, 4037760, 4306944, 5383680, 5742592, 6460416, 7178240, 8075520, 8613888, 10767360, 12920832, 14356480, 16151040, 17227776, 21534720, 25841664, 28712960, 32302080, 43069440, 51683328, 64604160, 86138880, 129208320, 258416640]

約数ペア:

[(1, 258416640), (2, 129208320), (3, 86138880), (4, 64604160), (5, 51683328), (6, 43069440), (8, 32302080), (9, 28712960), (10, 25841664), (12, 21534720), (15, 17227776), (16, 16151040), (18, 14356480), (20, 12920832), (24, 10767360), (30, 8613888), (32, 8075520), (36, 7178240), (40, 6460416), (45, 5742592), (48, 5383680), (60, 4306944), (64, 4037760), (72, 3589120), (80, 3230208), (90, 2871296), (96, 2691840), (120, 2153472), (128, 2018880), (144, 1794560), (160, 1615104), (180, 1435648), (192, 1345920), (240, 1076736), (256, 1009440), (288, 897280), (320, 807552), (360, 717824), (384, 672960), (480, 538368), (512, 504720), (576, 448640), (640, 403776), (701, 368640), (720, 358912), (768, 336480), (960, 269184), (1024, 252360), (1152, 224320), (1280, 201888), (1402, 184320), (1440, 179456), (1536, 168240), (1920, 134592), (2048, 126180), (2103, 122880), (2304, 112160), (2560, 100944), (2804, 92160), (2880, 89728), (3072, 84120), (3505, 73728), (3840, 67296), (4096, 63090), (4206, 61440), (4608, 56080), (5120, 50472), (5608, 46080), (5760, 44864), (6144, 42060), (6309, 40960), (7010, 36864), (7680, 33648), (8192, 31545), (8412, 30720), (9216, 28040), (10240, 25236), (10515, 24576), (11216, 23040), (11520, 22432), (12288, 21030), (12618, 20480), (14020, 18432), (15360, 16824)]