721603840

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 1827237888

約数和(自身を除く): 1105634048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 128, 160, 184, 193, 230, 254, 256, 320, 368, 386, 460, 508, 635, 640, 736, 772, 920, 965, 1016, 1270, 1280, 1472, 1544, 1840, 1930, 2032, 2540, 2921, 2944, 3088, 3680, 3860, 4064, 4439, 5080, 5842, 5888, 6176, 7360, 7720, 8128, 8878, 10160, 11684, 12352, 14605, 14720, 15440, 16256, 17756, 20320, 22195, 23368, 24511, 24704, 29210, 29440, 30880, 32512, 35512, 40640, 44390, 46736, 49022, 49408, 58420, 61760, 71024, 81280, 88780, 93472, 98044, 116840, 122555, 123520, 142048, 162560, 177560, 186944, 196088, 233680, 245110, 247040, 284096, 355120, 373888, 392176, 467360, 490220, 563753, 568192, 710240, 747776, 784352, 934720, 980440, 1127506, 1136384, 1420480, 1568704, 1869440, 1960880, 2255012, 2818765, 2840960, 3137408, 3738880, 3921760, 4510024, 5637530, 5681920, 6274816, 7843520, 9020048, 11275060, 15687040, 18040096, 22550120, 31374080, 36080192, 45100240, 72160384, 90200480, 144320768, 180400960, 360801920, 721603840]

約数ペア:

[(1, 721603840), (2, 360801920), (4, 180400960), (5, 144320768), (8, 90200480), (10, 72160384), (16, 45100240), (20, 36080192), (23, 31374080), (32, 22550120), (40, 18040096), (46, 15687040), (64, 11275060), (80, 9020048), (92, 7843520), (115, 6274816), (127, 5681920), (128, 5637530), (160, 4510024), (184, 3921760), (193, 3738880), (230, 3137408), (254, 2840960), (256, 2818765), (320, 2255012), (368, 1960880), (386, 1869440), (460, 1568704), (508, 1420480), (635, 1136384), (640, 1127506), (736, 980440), (772, 934720), (920, 784352), (965, 747776), (1016, 710240), (1270, 568192), (1280, 563753), (1472, 490220), (1544, 467360), (1840, 392176), (1930, 373888), (2032, 355120), (2540, 284096), (2921, 247040), (2944, 245110), (3088, 233680), (3680, 196088), (3860, 186944), (4064, 177560), (4439, 162560), (5080, 142048), (5842, 123520), (5888, 122555), (6176, 116840), (7360, 98044), (7720, 93472), (8128, 88780), (8878, 81280), (10160, 71024), (11684, 61760), (12352, 58420), (14605, 49408), (14720, 49022), (15440, 46736), (16256, 44390), (17756, 40640), (20320, 35512), (22195, 32512), (23368, 30880), (24511, 29440), (24704, 29210)]