990294712320

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:304

約数の個数: 896

約数和(自身を含む): 3478711173120

約数和(自身を除く): 2488416460800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 89, 92, 93, 96, 115, 120, 124, 127, 128, 138, 155, 160, 178, 184, 186, 192, 230, 240, 248, 254, 256, 267, 276, 310, 320, 345, 356, 368, 372, 381, 384, 445, 460, 465, 480, 496, 508, 512, 534, 552, 620, 635, 640, 690, 712, 713, 736, 744, 762, 768, 890, 920, 930, 960, 992, 1016, 1024, 1068, 1104, 1240, 1270, 1280, 1335, 1380, 1424, 1426, 1472, 1488, 1524, 1536, 1780, 1840, 1860, 1905, 1920, 1984, 2032, 2047, 2048, 2136, 2139, 2208, 2480, 2540, 2560, 2670, 2759, 2760, 2848, 2852, 2921, 2944, 2976, 3048, 3072, 3560, 3565, 3680, 3720, 3810, 3840, 3937, 3968, 4064, 4094, 4096, 4272, 4278, 4416, 4960, 5080, 5120, 5340, 5518, 5520, 5696, 5704, 5842, 5888, 5952, 6096, 6141, 6144, 7120, 7130, 7360, 7440, 7620, 7680, 7874, 7936, 8128, 8188, 8192, 8277, 8544, 8556, 8763, 8832, 9920, 10160, 10235, 10240, 10680, 10695, 11036, 11040, 11303, 11392, 11408, 11684, 11776, 11811, 11904, 12192, 12282, 12288, 13795, 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約数ペア:

[(1, 990294712320), (2, 495147356160), (3, 330098237440), (4, 247573678080), (5, 198058942464), (6, 165049118720), (8, 123786839040), (10, 99029471232), (12, 82524559360), (15, 66019647488), (16, 61893419520), (20, 49514735616), (23, 43056291840), (24, 41262279680), (30, 33009823744), (31, 31944990720), (32, 30946709760), (40, 24757367808), (46, 21528145920), (48, 20631139840), (60, 16504911872), (62, 15972495360), (64, 15473354880), (69, 14352097280), (80, 12378683904), (89, 11126906880), (92, 10764072960), (93, 10648330240), (96, 10315569920), (115, 8611258368), (120, 8252455936), (124, 7986247680), (127, 7797596160), (128, 7736677440), (138, 7176048640), (155, 6388998144), (160, 6189341952), (178, 5563453440), (184, 5382036480), (186, 5324165120), (192, 5157784960), (230, 4305629184), (240, 4126227968), (248, 3993123840), (254, 3898798080), (256, 3868338720), (267, 3708968960), (276, 3588024320), (310, 3194499072), (320, 3094670976), (345, 2870419456), (356, 2781726720), (368, 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