217391040

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{8387}}^1$

素因数の和:8416

約数の個数: 140

約数和(自身を含む): 773390376

約数和(自身を除く): 555999336

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8387, 8640, 12960, 16774, 25161, 25920, 33548, 41935, 50322, 67096, 75483, 83870, 100644, 125805, 134192, 150966, 167740, 201288, 226449, 251610, 268384, 301932, 335480, 377415, 402576, 452898, 503220, 536768, 603864, 670960, 679347, 754830, 805152, 905796, 1006440, 1132245, 1207728, 1341920, 1358694, 1509660, 1610304, 1811592, 2012880, 2264490, 2415456, 2683840, 2717388, 3019320, 3396735, 3623184, 4025760, 4528980, 4830912, 5434776, 6038640, 6793470, 7246368, 8051520, 9057960, 10869552, 12077280, 13586940, 14492736, 18115920, 21739104, 24154560, 27173880, 36231840, 43478208, 54347760, 72463680, 108695520, 217391040]

約数ペア:

[(1, 217391040), (2, 108695520), (3, 72463680), (4, 54347760), (5, 43478208), (6, 36231840), (8, 27173880), (9, 24154560), (10, 21739104), (12, 18115920), (15, 14492736), (16, 13586940), (18, 12077280), (20, 10869552), (24, 9057960), (27, 8051520), (30, 7246368), (32, 6793470), (36, 6038640), (40, 5434776), (45, 4830912), (48, 4528980), (54, 4025760), (60, 3623184), (64, 3396735), (72, 3019320), (80, 2717388), (81, 2683840), (90, 2415456), (96, 2264490), (108, 2012880), (120, 1811592), (135, 1610304), (144, 1509660), (160, 1358694), (162, 1341920), (180, 1207728), (192, 1132245), (216, 1006440), (240, 905796), (270, 805152), (288, 754830), (320, 679347), (324, 670960), (360, 603864), (405, 536768), (432, 503220), (480, 452898), (540, 402576), (576, 377415), (648, 335480), (720, 301932), (810, 268384), (864, 251610), (960, 226449), (1080, 201288), (1296, 167740), (1440, 150966), (1620, 134192), (1728, 125805), (2160, 100644), (2592, 83870), (2880, 75483), (3240, 67096), (4320, 50322), (5184, 41935), (6480, 33548), (8387, 25920), (8640, 25161), (12960, 16774)]