810807520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 2212660800

約数和(自身を除く): 1401853280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 32, 34, 38, 40, 58, 68, 76, 80, 85, 95, 116, 136, 145, 152, 160, 170, 190, 232, 272, 290, 304, 323, 340, 380, 464, 493, 541, 544, 551, 580, 608, 646, 680, 760, 928, 986, 1082, 1102, 1160, 1292, 1360, 1520, 1615, 1972, 2164, 2204, 2320, 2465, 2584, 2705, 2720, 2755, 3040, 3230, 3944, 4328, 4408, 4640, 4930, 5168, 5410, 5510, 6460, 7888, 8656, 8816, 9197, 9367, 9860, 10279, 10336, 10820, 11020, 12920, 15689, 15776, 17312, 17632, 18394, 18734, 19720, 20558, 21640, 22040, 25840, 31378, 36788, 37468, 39440, 41116, 43280, 44080, 45985, 46835, 51395, 51680, 62756, 73576, 74936, 78445, 78880, 82232, 86560, 88160, 91970, 93670, 102790, 125512, 147152, 149872, 156890, 164464, 174743, 183940, 187340, 205580, 251024, 266713, 294304, 298091, 299744, 313780, 328928, 349486, 367880, 374680, 411160, 502048, 533426, 596182, 627560, 698972, 735760, 749360, 822320, 873715, 1066852, 1192364, 1255120, 1333565, 1397944, 1471520, 1490455, 1498720, 1644640, 1747430, 2133704, 2384728, 2510240, 2667130, 2795888, 2980910, 3494860, 4267408, 4769456, 5067547, 5334260, 5591776, 5961820, 6989720, 8534816, 9538912, 10135094, 10668520, 11923640, 13979440, 20270188, 21337040, 23847280, 25337735, 27958880, 40540376, 42674080, 47694560, 50675470, 81080752, 101350940, 162161504, 202701880, 405403760, 810807520]

約数ペア:

[(1, 810807520), (2, 405403760), (4, 202701880), (5, 162161504), (8, 101350940), (10, 81080752), (16, 50675470), (17, 47694560), (19, 42674080), (20, 40540376), (29, 27958880), (32, 25337735), (34, 23847280), (38, 21337040), (40, 20270188), (58, 13979440), (68, 11923640), (76, 10668520), (80, 10135094), (85, 9538912), (95, 8534816), (116, 6989720), (136, 5961820), (145, 5591776), (152, 5334260), (160, 5067547), (170, 4769456), (190, 4267408), (232, 3494860), (272, 2980910), (290, 2795888), (304, 2667130), (323, 2510240), (340, 2384728), (380, 2133704), (464, 1747430), (493, 1644640), (541, 1498720), (544, 1490455), (551, 1471520), (580, 1397944), (608, 1333565), (646, 1255120), (680, 1192364), (760, 1066852), (928, 873715), (986, 822320), (1082, 749360), (1102, 735760), (1160, 698972), (1292, 627560), (1360, 596182), (1520, 533426), (1615, 502048), (1972, 411160), (2164, 374680), (2204, 367880), (2320, 349486), (2465, 328928), (2584, 313780), (2705, 299744), (2720, 298091), (2755, 294304), (3040, 266713), (3230, 251024), (3944, 205580), (4328, 187340), (4408, 183940), (4640, 174743), (4930, 164464), (5168, 156890), (5410, 149872), (5510, 147152), (6460, 125512), (7888, 102790), (8656, 93670), (8816, 91970), (9197, 88160), (9367, 86560), (9860, 82232), (10279, 78880), (10336, 78445), (10820, 74936), (11020, 73576), (12920, 62756), (15689, 51680), (15776, 51395), (17312, 46835), (17632, 45985), (18394, 44080), (18734, 43280), (19720, 41116), (20558, 39440), (21640, 37468), (22040, 36788), (25840, 31378)]