1963815840

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{21647}}^1$

素因数の和:21681

約数の個数: 240

約数和(自身を含む): 7921089792

約数和(自身を除く): 5957273952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 21647, 22680, 30240, 43294, 45360, 64941, 86588, 90720, 108235, 129882, 151529, 173176, 194823, 216470, 259764, 303058, 324705, 346352, 389646, 432940, 454587, 519528, 584469, 606116, 649410, 692704, 757645, 779292, 865880, 909174, 974115, 1039056, 1168938, 1212232, 1298820, 1363761, 1515290, 1558584, 1731760, 1753407, 1818348, 1948230, 2078112, 2272935, 2337876, 2424464, 2597640, 2727522, 2922345, 3030580, 3117168, 3463520, 3506814, 3636696, 3896460, 4091283, 4545870, 4675752, 4848928, 5195280, 5455044, 5844690, 6061160, 6234336, 6818805, 7013628, 7273392, 7792920, 8182566, 8767035, 9091740, 9351504, 10390560, 10910088, 11689380, 12122320, 12273849, 13637610, 14027256, 14546784, 15585840, 16365132, 17534070, 18183480, 18703008, 20456415, 21820176, 23378760, 24244640, 24547698, 27275220, 28054512, 31171680, 32730264, 35068140, 36366960, 40912830, 43640352, 46757520, 49095396, 54550440, 56109024, 61369245, 65460528, 70136280, 72733920, 81825660, 93515040, 98190792, 109100880, 122738490, 130921056, 140272560, 163651320, 196381584, 218201760, 245476980, 280545120, 327302640, 392763168, 490953960, 654605280, 981907920, 1963815840]

約数ペア:

[(1, 1963815840), (2, 981907920), (3, 654605280), (4, 490953960), (5, 392763168), (6, 327302640), (7, 280545120), (8, 245476980), (9, 218201760), (10, 196381584), (12, 163651320), (14, 140272560), (15, 130921056), (16, 122738490), (18, 109100880), (20, 98190792), (21, 93515040), (24, 81825660), (27, 72733920), (28, 70136280), (30, 65460528), (32, 61369245), (35, 56109024), (36, 54550440), (40, 49095396), (42, 46757520), (45, 43640352), (48, 40912830), (54, 36366960), (56, 35068140), (60, 32730264), (63, 31171680), (70, 28054512), (72, 27275220), (80, 24547698), (81, 24244640), (84, 23378760), (90, 21820176), (96, 20456415), (105, 18703008), (108, 18183480), (112, 17534070), (120, 16365132), (126, 15585840), (135, 14546784), (140, 14027256), (144, 13637610), (160, 12273849), (162, 12122320), (168, 11689380), (180, 10910088), (189, 10390560), (210, 9351504), (216, 9091740), (224, 8767035), (240, 8182566), (252, 7792920), (270, 7273392), (280, 7013628), (288, 6818805), (315, 6234336), (324, 6061160), (336, 5844690), (360, 5455044), (378, 5195280), (405, 4848928), (420, 4675752), (432, 4545870), (480, 4091283), (504, 3896460), (540, 3636696), (560, 3506814), (567, 3463520), (630, 3117168), (648, 3030580), (672, 2922345), (720, 2727522), (756, 2597640), (810, 2424464), (840, 2337876), (864, 2272935), (945, 2078112), (1008, 1948230), (1080, 1818348), (1120, 1753407), (1134, 1731760), (1260, 1558584), (1296, 1515290), (1440, 1363761), (1512, 1298820), (1620, 1212232), (1680, 1168938), (1890, 1039056), (2016, 974115), (2160, 909174), (2268, 865880), (2520, 779292), (2592, 757645), (2835, 692704), (3024, 649410), (3240, 606116), (3360, 584469), (3780, 519528), (4320, 454587), (4536, 432940), (5040, 389646), (5670, 346352), (6048, 324705), (6480, 303058), (7560, 259764), (9072, 216470), (10080, 194823), (11340, 173176), (12960, 151529), (15120, 129882), (18144, 108235), (21647, 90720), (22680, 86588), (30240, 64941), (43294, 45360)]