213282720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2351}}^1$

素因数の和:2385

約数の個数: 240

約数和(自身を含む): 860606208

約数和(自身を除く): 647323488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2351, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4702, 5040, 5670, 6048, 6480, 7053, 7560, 9072, 9404, 10080, 11340, 11755, 12960, 14106, 15120, 16457, 18144, 18808, 21159, 22680, 23510, 28212, 30240, 32914, 35265, 37616, 42318, 45360, 47020, 49371, 56424, 63477, 65828, 70530, 75232, 82285, 84636, 90720, 94040, 98742, 105795, 112848, 126954, 131656, 141060, 148113, 164570, 169272, 188080, 190431, 197484, 211590, 225696, 246855, 253908, 263312, 282120, 296226, 317385, 329140, 338544, 376160, 380862, 394968, 423180, 444339, 493710, 507816, 526624, 564240, 592452, 634770, 658280, 677088, 740565, 761724, 789936, 846360, 888678, 952155, 987420, 1015632, 1128480, 1184904, 1269540, 1316560, 1333017, 1481130, 1523448, 1579872, 1692720, 1777356, 1904310, 1974840, 2031264, 2221695, 2369808, 2539080, 2633120, 2666034, 2962260, 3046896, 3385440, 3554712, 3808620, 3949680, 4443390, 4739616, 5078160, 5332068, 5924520, 6093792, 6665085, 7109424, 7617240, 7899360, 8886780, 10156320, 10664136, 11849040, 13330170, 14218848, 15234480, 17773560, 21328272, 23698080, 26660340, 30468960, 35547120, 42656544, 53320680, 71094240, 106641360, 213282720]

約数ペア:

[(1, 213282720), (2, 106641360), (3, 71094240), (4, 53320680), (5, 42656544), (6, 35547120), (7, 30468960), (8, 26660340), (9, 23698080), (10, 21328272), (12, 17773560), (14, 15234480), (15, 14218848), (16, 13330170), (18, 11849040), (20, 10664136), (21, 10156320), (24, 8886780), (27, 7899360), (28, 7617240), (30, 7109424), (32, 6665085), (35, 6093792), (36, 5924520), (40, 5332068), (42, 5078160), (45, 4739616), (48, 4443390), (54, 3949680), (56, 3808620), (60, 3554712), (63, 3385440), (70, 3046896), (72, 2962260), (80, 2666034), (81, 2633120), (84, 2539080), (90, 2369808), (96, 2221695), (105, 2031264), (108, 1974840), (112, 1904310), (120, 1777356), (126, 1692720), (135, 1579872), (140, 1523448), (144, 1481130), (160, 1333017), (162, 1316560), (168, 1269540), (180, 1184904), (189, 1128480), (210, 1015632), (216, 987420), (224, 952155), (240, 888678), (252, 846360), (270, 789936), (280, 761724), (288, 740565), (315, 677088), (324, 658280), (336, 634770), (360, 592452), (378, 564240), (405, 526624), (420, 507816), (432, 493710), (480, 444339), (504, 423180), (540, 394968), (560, 380862), (567, 376160), (630, 338544), (648, 329140), (672, 317385), (720, 296226), (756, 282120), (810, 263312), (840, 253908), (864, 246855), (945, 225696), (1008, 211590), (1080, 197484), (1120, 190431), (1134, 188080), (1260, 169272), (1296, 164570), (1440, 148113), (1512, 141060), (1620, 131656), (1680, 126954), (1890, 112848), (2016, 105795), (2160, 98742), (2268, 94040), (2351, 90720), (2520, 84636), (2592, 82285), (2835, 75232), (3024, 70530), (3240, 65828), (3360, 63477), (3780, 56424), (4320, 49371), (4536, 47020), (4702, 45360), (5040, 42318), (5670, 37616), (6048, 35265), (6480, 32914), (7053, 30240), (7560, 28212), (9072, 23510), (9404, 22680), (10080, 21159), (11340, 18808), (11755, 18144), (12960, 16457), (14106, 15120)]