217524720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 240

約数和(自身を含む): 801511200

約数和(自身を除く): 583986480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 53, 56, 60, 70, 80, 84, 98, 105, 106, 112, 120, 140, 147, 159, 168, 196, 210, 212, 240, 245, 265, 280, 294, 318, 336, 349, 371, 392, 420, 424, 490, 530, 560, 588, 636, 698, 735, 742, 784, 795, 840, 848, 980, 1047, 1060, 1113, 1176, 1272, 1396, 1470, 1484, 1590, 1680, 1745, 1855, 1960, 2094, 2120, 2226, 2352, 2443, 2544, 2597, 2792, 2940, 2968, 3180, 3490, 3710, 3920, 4188, 4240, 4452, 4886, 5194, 5235, 5565, 5584, 5880, 5936, 6360, 6980, 7329, 7420, 7791, 8376, 8904, 9772, 10388, 10470, 11130, 11760, 12215, 12720, 12985, 13960, 14658, 14840, 15582, 16752, 17101, 17808, 18497, 19544, 20776, 20940, 22260, 24430, 25970, 27920, 29316, 29680, 31164, 34202, 36645, 36994, 38955, 39088, 41552, 41880, 44520, 48860, 51303, 51940, 55491, 58632, 62328, 68404, 73290, 73988, 77910, 83760, 85505, 89040, 92485, 97720, 102606, 103880, 110982, 117264, 124656, 129479, 136808, 146580, 147976, 155820, 171010, 184970, 195440, 205212, 207760, 221964, 256515, 258958, 273616, 277455, 293160, 295952, 311640, 342020, 369940, 388437, 410424, 443928, 513030, 517916, 554910, 586320, 623280, 647395, 684040, 739880, 776874, 820848, 887856, 906353, 1026060, 1035832, 1109820, 1294790, 1368080, 1479760, 1553748, 1812706, 1942185, 2052120, 2071664, 2219640, 2589580, 2719059, 3107496, 3625412, 3884370, 4104240, 4439280, 4531765, 5179160, 5438118, 6214992, 7250824, 7768740, 9063530, 10358320, 10876236, 13595295, 14501648, 15537480, 18127060, 21752472, 27190590, 31074960, 36254120, 43504944, 54381180, 72508240, 108762360, 217524720]

約数ペア:

[(1, 217524720), (2, 108762360), (3, 72508240), (4, 54381180), (5, 43504944), (6, 36254120), (7, 31074960), (8, 27190590), (10, 21752472), (12, 18127060), (14, 15537480), (15, 14501648), (16, 13595295), (20, 10876236), (21, 10358320), (24, 9063530), (28, 7768740), (30, 7250824), (35, 6214992), (40, 5438118), (42, 5179160), (48, 4531765), (49, 4439280), (53, 4104240), (56, 3884370), (60, 3625412), (70, 3107496), (80, 2719059), (84, 2589580), (98, 2219640), (105, 2071664), (106, 2052120), (112, 1942185), (120, 1812706), (140, 1553748), (147, 1479760), (159, 1368080), (168, 1294790), (196, 1109820), (210, 1035832), (212, 1026060), (240, 906353), (245, 887856), (265, 820848), (280, 776874), (294, 739880), (318, 684040), (336, 647395), (349, 623280), (371, 586320), (392, 554910), (420, 517916), (424, 513030), (490, 443928), (530, 410424), (560, 388437), (588, 369940), (636, 342020), (698, 311640), (735, 295952), (742, 293160), (784, 277455), (795, 273616), (840, 258958), (848, 256515), (980, 221964), (1047, 207760), (1060, 205212), (1113, 195440), (1176, 184970), (1272, 171010), (1396, 155820), (1470, 147976), (1484, 146580), (1590, 136808), (1680, 129479), (1745, 124656), (1855, 117264), (1960, 110982), (2094, 103880), (2120, 102606), (2226, 97720), (2352, 92485), (2443, 89040), (2544, 85505), (2597, 83760), (2792, 77910), (2940, 73988), (2968, 73290), (3180, 68404), (3490, 62328), (3710, 58632), (3920, 55491), (4188, 51940), (4240, 51303), (4452, 48860), (4886, 44520), (5194, 41880), (5235, 41552), (5565, 39088), (5584, 38955), (5880, 36994), (5936, 36645), (6360, 34202), (6980, 31164), (7329, 29680), (7420, 29316), (7791, 27920), (8376, 25970), (8904, 24430), (9772, 22260), (10388, 20940), (10470, 20776), (11130, 19544), (11760, 18497), (12215, 17808), (12720, 17101), (12985, 16752), (13960, 15582), (14658, 14840)]