991534080

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{64553}}^1$

素因数の和:64581

約数の個数: 88

約数和(自身を含む): 3171408912

約数和(自身を除く): 2179874832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 64553, 129106, 193659, 258212, 322765, 387318, 516424, 645530, 774636, 968295, 1032848, 1291060, 1549272, 1936590, 2065696, 2582120, 3098544, 3873180, 4131392, 5164240, 6197088, 7746360, 8262784, 10328480, 12394176, 15492720, 16525568, 20656960, 24788352, 30985440, 33051136, 41313920, 49576704, 61970880, 66102272, 82627840, 99153408, 123941760, 165255680, 198306816, 247883520, 330511360, 495767040, 991534080]

約数ペア:

[(1, 991534080), (2, 495767040), (3, 330511360), (4, 247883520), (5, 198306816), (6, 165255680), (8, 123941760), (10, 99153408), (12, 82627840), (15, 66102272), (16, 61970880), (20, 49576704), (24, 41313920), (30, 33051136), (32, 30985440), (40, 24788352), (48, 20656960), (60, 16525568), (64, 15492720), (80, 12394176), (96, 10328480), (120, 8262784), (128, 7746360), (160, 6197088), (192, 5164240), (240, 4131392), (256, 3873180), (320, 3098544), (384, 2582120), (480, 2065696), (512, 1936590), (640, 1549272), (768, 1291060), (960, 1032848), (1024, 968295), (1280, 774636), (1536, 645530), (1920, 516424), (2560, 387318), (3072, 322765), (3840, 258212), (5120, 193659), (7680, 129106), (15360, 64553)]