647047440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7719

約数の個数: 200

約数和(自身を含む): 2420475288

約数和(自身を除く): 1773427848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 2106, 2160, 2340, 2808, 3120, 3240, 3510, 4212, 4680, 5265, 5616, 6480, 7020, 7681, 8424, 9360, 10530, 14040, 15362, 16848, 21060, 23043, 28080, 30724, 38405, 42120, 46086, 61448, 69129, 76810, 84240, 92172, 99853, 115215, 122896, 138258, 153620, 184344, 199706, 207387, 230430, 276516, 299559, 307240, 345645, 368688, 399412, 414774, 460860, 499265, 553032, 599118, 614480, 622161, 691290, 798824, 829548, 898677, 921720, 998530, 1036935, 1106064, 1198236, 1244322, 1382580, 1497795, 1597648, 1659096, 1797354, 1843440, 1997060, 2073870, 2396472, 2488644, 2696031, 2765160, 2995590, 3110805, 3318192, 3594708, 3994120, 4147740, 4493385, 4792944, 4977288, 5392062, 5530320, 5991180, 6221610, 7189416, 7988240, 8088093, 8295480, 8986770, 9954576, 10784124, 11982360, 12443220, 13480155, 14378832, 16176186, 16590960, 17973540, 21568248, 23964720, 24886440, 26960310, 32352372, 35947080, 40440465, 43136496, 49772880, 53920620, 64704744, 71894160, 80880930, 107841240, 129409488, 161761860, 215682480, 323523720, 647047440]

約数ペア:

[(1, 647047440), (2, 323523720), (3, 215682480), (4, 161761860), (5, 129409488), (6, 107841240), (8, 80880930), (9, 71894160), (10, 64704744), (12, 53920620), (13, 49772880), (15, 43136496), (16, 40440465), (18, 35947080), (20, 32352372), (24, 26960310), (26, 24886440), (27, 23964720), (30, 21568248), (36, 17973540), (39, 16590960), (40, 16176186), (45, 14378832), (48, 13480155), (52, 12443220), (54, 11982360), (60, 10784124), (65, 9954576), (72, 8986770), (78, 8295480), (80, 8088093), (81, 7988240), (90, 7189416), (104, 6221610), (108, 5991180), (117, 5530320), (120, 5392062), (130, 4977288), (135, 4792944), (144, 4493385), (156, 4147740), (162, 3994120), (180, 3594708), (195, 3318192), (208, 3110805), (216, 2995590), (234, 2765160), (240, 2696031), (260, 2488644), (270, 2396472), (312, 2073870), (324, 1997060), (351, 1843440), (360, 1797354), (390, 1659096), (405, 1597648), (432, 1497795), (468, 1382580), (520, 1244322), (540, 1198236), (585, 1106064), (624, 1036935), (648, 998530), (702, 921720), (720, 898677), (780, 829548), (810, 798824), (936, 691290), (1040, 622161), (1053, 614480), (1080, 599118), (1170, 553032), (1296, 499265), (1404, 460860), (1560, 414774), (1620, 399412), (1755, 368688), (1872, 345645), (2106, 307240), (2160, 299559), (2340, 276516), (2808, 230430), (3120, 207387), (3240, 199706), (3510, 184344), (4212, 153620), (4680, 138258), (5265, 122896), (5616, 115215), (6480, 99853), (7020, 92172), (7681, 84240), (8424, 76810), (9360, 69129), (10530, 61448), (14040, 46086), (15362, 42120), (16848, 38405), (21060, 30724), (23043, 28080)]