687644640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:671

約数の個数: 240

約数和(自身を含む): 2456313552

約数和(自身を除く): 1768668912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 180, 194, 216, 240, 270, 288, 291, 324, 360, 388, 405, 432, 480, 485, 540, 547, 582, 648, 720, 776, 810, 864, 873, 970, 1080, 1094, 1164, 1296, 1440, 1455, 1552, 1620, 1641, 1746, 1940, 2160, 2188, 2328, 2592, 2619, 2735, 2910, 3104, 3240, 3282, 3492, 3880, 4320, 4365, 4376, 4656, 4923, 5238, 5470, 5820, 6480, 6564, 6984, 7760, 7857, 8205, 8730, 8752, 9312, 9846, 10476, 10940, 11640, 12960, 13095, 13128, 13968, 14769, 15520, 15714, 16410, 17460, 17504, 19692, 20952, 21880, 23280, 24615, 26190, 26256, 27936, 29538, 31428, 32820, 34920, 39285, 39384, 41904, 43760, 44307, 46560, 49230, 52380, 52512, 53059, 59076, 62856, 65640, 69840, 73845, 78570, 78768, 83808, 87520, 88614, 98460, 104760, 106118, 118152, 125712, 131280, 139680, 147690, 157140, 157536, 159177, 177228, 196920, 209520, 212236, 221535, 236304, 251424, 262560, 265295, 295380, 314280, 318354, 354456, 393840, 419040, 424472, 443070, 472608, 477531, 530590, 590760, 628560, 636708, 708912, 787680, 795885, 848944, 886140, 955062, 1061180, 1181520, 1257120, 1273416, 1417824, 1432593, 1591770, 1697888, 1772280, 1910124, 2122360, 2363040, 2387655, 2546832, 2865186, 3183540, 3544560, 3820248, 4244720, 4297779, 4775310, 5093664, 5730372, 6367080, 7089120, 7162965, 7640496, 8489440, 8595558, 9550620, 11460744, 12734160, 14325930, 15280992, 17191116, 19101240, 21488895, 22921488, 25468320, 28651860, 34382232, 38202480, 42977790, 45842976, 57303720, 68764464, 76404960, 85955580, 114607440, 137528928, 171911160, 229214880, 343822320, 687644640]

約数ペア:

[(1, 687644640), (2, 343822320), (3, 229214880), (4, 171911160), (5, 137528928), (6, 114607440), (8, 85955580), (9, 76404960), (10, 68764464), (12, 57303720), (15, 45842976), (16, 42977790), (18, 38202480), (20, 34382232), (24, 28651860), (27, 25468320), (30, 22921488), (32, 21488895), (36, 19101240), (40, 17191116), (45, 15280992), (48, 14325930), (54, 12734160), (60, 11460744), (72, 9550620), (80, 8595558), (81, 8489440), (90, 7640496), (96, 7162965), (97, 7089120), (108, 6367080), (120, 5730372), (135, 5093664), (144, 4775310), (160, 4297779), (162, 4244720), (180, 3820248), (194, 3544560), (216, 3183540), (240, 2865186), (270, 2546832), (288, 2387655), (291, 2363040), (324, 2122360), (360, 1910124), (388, 1772280), (405, 1697888), (432, 1591770), (480, 1432593), (485, 1417824), (540, 1273416), (547, 1257120), (582, 1181520), (648, 1061180), (720, 955062), (776, 886140), (810, 848944), (864, 795885), (873, 787680), (970, 708912), (1080, 636708), (1094, 628560), (1164, 590760), (1296, 530590), (1440, 477531), (1455, 472608), (1552, 443070), (1620, 424472), (1641, 419040), (1746, 393840), (1940, 354456), (2160, 318354), (2188, 314280), (2328, 295380), (2592, 265295), (2619, 262560), (2735, 251424), (2910, 236304), (3104, 221535), (3240, 212236), (3282, 209520), (3492, 196920), (3880, 177228), (4320, 159177), (4365, 157536), (4376, 157140), (4656, 147690), (4923, 139680), (5238, 131280), (5470, 125712), (5820, 118152), (6480, 106118), (6564, 104760), (6984, 98460), (7760, 88614), (7857, 87520), (8205, 83808), (8730, 78768), (8752, 78570), (9312, 73845), (9846, 69840), (10476, 65640), (10940, 62856), (11640, 59076), (12960, 53059), (13095, 52512), (13128, 52380), (13968, 49230), (14769, 46560), (15520, 44307), (15714, 43760), (16410, 41904), (17460, 39384), (17504, 39285), (19692, 34920), (20952, 32820), (21880, 31428), (23280, 29538), (24615, 27936), (26190, 26256)]