217326240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 240

約数和(自身を含む): 787608360

約数和(自身を除く): 570282120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 96, 108, 120, 123, 135, 144, 160, 162, 164, 180, 205, 216, 240, 246, 270, 288, 324, 328, 360, 369, 405, 409, 410, 432, 480, 492, 540, 615, 648, 656, 720, 738, 810, 818, 820, 864, 984, 1080, 1107, 1227, 1230, 1296, 1312, 1440, 1476, 1620, 1636, 1640, 1845, 1968, 2045, 2160, 2214, 2454, 2460, 2592, 2952, 3240, 3272, 3280, 3321, 3681, 3690, 3936, 4090, 4320, 4428, 4908, 4920, 5535, 5904, 6135, 6480, 6544, 6560, 6642, 7362, 7380, 8180, 8856, 9816, 9840, 11043, 11070, 11808, 12270, 12960, 13088, 13284, 14724, 14760, 16360, 16605, 16769, 17712, 18405, 19632, 19680, 22086, 22140, 24540, 26568, 29448, 29520, 32720, 33129, 33210, 33538, 35424, 36810, 39264, 44172, 44280, 49080, 50307, 53136, 55215, 58896, 59040, 65440, 66258, 66420, 67076, 73620, 83845, 88344, 88560, 98160, 100614, 106272, 110430, 117792, 132516, 132840, 134152, 147240, 150921, 165645, 167690, 176688, 177120, 196320, 201228, 220860, 251535, 265032, 265680, 268304, 294480, 301842, 331290, 335380, 353376, 402456, 441720, 452763, 503070, 530064, 531360, 536608, 588960, 603684, 662580, 670760, 754605, 804912, 883440, 905526, 1006140, 1060128, 1207368, 1325160, 1341520, 1358289, 1509210, 1609824, 1766880, 1811052, 2012280, 2263815, 2414736, 2650320, 2683040, 2716578, 3018420, 3622104, 4024560, 4527630, 4829472, 5300640, 5433156, 6036840, 6791445, 7244208, 8049120, 9055260, 10866312, 12073680, 13582890, 14488416, 18110520, 21732624, 24147360, 27165780, 36221040, 43465248, 54331560, 72442080, 108663120, 217326240]

約数ペア:

[(1, 217326240), (2, 108663120), (3, 72442080), (4, 54331560), (5, 43465248), (6, 36221040), (8, 27165780), (9, 24147360), (10, 21732624), (12, 18110520), (15, 14488416), (16, 13582890), (18, 12073680), (20, 10866312), (24, 9055260), (27, 8049120), (30, 7244208), (32, 6791445), (36, 6036840), (40, 5433156), (41, 5300640), (45, 4829472), (48, 4527630), (54, 4024560), (60, 3622104), (72, 3018420), (80, 2716578), (81, 2683040), (82, 2650320), (90, 2414736), (96, 2263815), (108, 2012280), (120, 1811052), (123, 1766880), (135, 1609824), (144, 1509210), (160, 1358289), (162, 1341520), (164, 1325160), (180, 1207368), (205, 1060128), (216, 1006140), (240, 905526), (246, 883440), (270, 804912), (288, 754605), (324, 670760), (328, 662580), (360, 603684), (369, 588960), (405, 536608), (409, 531360), (410, 530064), (432, 503070), (480, 452763), (492, 441720), (540, 402456), (615, 353376), (648, 335380), (656, 331290), (720, 301842), (738, 294480), (810, 268304), (818, 265680), (820, 265032), (864, 251535), (984, 220860), (1080, 201228), (1107, 196320), (1227, 177120), (1230, 176688), (1296, 167690), (1312, 165645), (1440, 150921), (1476, 147240), (1620, 134152), (1636, 132840), (1640, 132516), (1845, 117792), (1968, 110430), (2045, 106272), (2160, 100614), (2214, 98160), (2454, 88560), (2460, 88344), (2592, 83845), (2952, 73620), (3240, 67076), (3272, 66420), (3280, 66258), (3321, 65440), (3681, 59040), (3690, 58896), (3936, 55215), (4090, 53136), (4320, 50307), (4428, 49080), (4908, 44280), (4920, 44172), (5535, 39264), (5904, 36810), (6135, 35424), (6480, 33538), (6544, 33210), (6560, 33129), (6642, 32720), (7362, 29520), (7380, 29448), (8180, 26568), (8856, 24540), (9816, 22140), (9840, 22086), (11043, 19680), (11070, 19632), (11808, 18405), (12270, 17712), (12960, 16769), (13088, 16605), (13284, 16360), (14724, 14760)]