18856800

素因数分解:

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

素因数の和:132

約数の個数: 216

約数和(自身を含む): 69667416

約数和(自身を除く): 50810616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 97, 100, 108, 120, 135, 144, 150, 160, 162, 180, 194, 200, 216, 225, 240, 243, 270, 288, 291, 300, 324, 360, 388, 400, 405, 432, 450, 480, 485, 486, 540, 582, 600, 648, 675, 720, 776, 800, 810, 864, 873, 900, 970, 972, 1080, 1164, 1200, 1215, 1296, 1350, 1440, 1455, 1552, 1620, 1746, 1800, 1940, 1944, 2025, 2160, 2328, 2400, 2425, 2430, 2592, 2619, 2700, 2910, 3104, 3240, 3492, 3600, 3880, 3888, 4050, 4320, 4365, 4656, 4850, 4860, 5238, 5400, 5820, 6075, 6480, 6984, 7200, 7275, 7760, 7776, 7857, 8100, 8730, 9312, 9700, 9720, 10476, 10800, 11640, 12150, 12960, 13095, 13968, 14550, 15520, 15714, 16200, 17460, 19400, 19440, 20952, 21600, 21825, 23280, 23571, 24300, 26190, 27936, 29100, 31428, 32400, 34920, 38800, 38880, 39285, 41904, 43650, 46560, 47142, 48600, 52380, 58200, 62856, 64800, 65475, 69840, 77600, 78570, 83808, 87300, 94284, 97200, 104760, 116400, 117855, 125712, 130950, 139680, 157140, 174600, 188568, 194400, 196425, 209520, 232800, 235710, 251424, 261900, 314280, 349200, 377136, 392850, 419040, 471420, 523800, 589275, 628560, 698400, 754272, 785700, 942840, 1047600, 1178550, 1257120, 1571400, 1885680, 2095200, 2357100, 3142800, 3771360, 4714200, 6285600, 9428400, 18856800]

約数ペア:

[(1, 18856800), (2, 9428400), (3, 6285600), (4, 4714200), (5, 3771360), (6, 3142800), (8, 2357100), (9, 2095200), (10, 1885680), (12, 1571400), (15, 1257120), (16, 1178550), (18, 1047600), (20, 942840), (24, 785700), (25, 754272), (27, 698400), (30, 628560), (32, 589275), (36, 523800), (40, 471420), (45, 419040), (48, 392850), (50, 377136), (54, 349200), (60, 314280), (72, 261900), (75, 251424), (80, 235710), (81, 232800), (90, 209520), (96, 196425), (97, 194400), (100, 188568), (108, 174600), (120, 157140), (135, 139680), (144, 130950), (150, 125712), (160, 117855), (162, 116400), (180, 104760), (194, 97200), (200, 94284), (216, 87300), (225, 83808), (240, 78570), (243, 77600), (270, 69840), (288, 65475), (291, 64800), (300, 62856), (324, 58200), (360, 52380), (388, 48600), (400, 47142), (405, 46560), (432, 43650), (450, 41904), (480, 39285), (485, 38880), (486, 38800), (540, 34920), (582, 32400), (600, 31428), (648, 29100), (675, 27936), (720, 26190), (776, 24300), (800, 23571), (810, 23280), (864, 21825), (873, 21600), (900, 20952), (970, 19440), (972, 19400), (1080, 17460), (1164, 16200), (1200, 15714), (1215, 15520), (1296, 14550), (1350, 13968), (1440, 13095), (1455, 12960), (1552, 12150), (1620, 11640), (1746, 10800), (1800, 10476), (1940, 9720), (1944, 9700), (2025, 9312), (2160, 8730), (2328, 8100), (2400, 7857), (2425, 7776), (2430, 7760), (2592, 7275), (2619, 7200), (2700, 6984), (2910, 6480), (3104, 6075), (3240, 5820), (3492, 5400), (3600, 5238), (3880, 4860), (3888, 4850), (4050, 4656), (4320, 4365)]