221084640

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2437}}^1$

素因数の和:2471

約数の個数: 240

約数和(自身を含む): 892073952

約数和(自身を除く): 670989312

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, 2437, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4874, 5040, 5670, 6048, 6480, 7311, 7560, 9072, 9748, 10080, 11340, 12185, 12960, 14622, 15120, 17059, 18144, 19496, 21933, 22680, 24370, 29244, 30240, 34118, 36555, 38992, 43866, 45360, 48740, 51177, 58488, 65799, 68236, 73110, 77984, 85295, 87732, 90720, 97480, 102354, 109665, 116976, 131598, 136472, 146220, 153531, 170590, 175464, 194960, 197397, 204708, 219330, 233952, 255885, 263196, 272944, 292440, 307062, 328995, 341180, 350928, 389920, 394794, 409416, 438660, 460593, 511770, 526392, 545888, 584880, 614124, 657990, 682360, 701856, 767655, 789588, 818832, 877320, 921186, 986985, 1023540, 1052784, 1169760, 1228248, 1315980, 1364720, 1381779, 1535310, 1579176, 1637664, 1754640, 1842372, 1973970, 2047080, 2105568, 2302965, 2456496, 2631960, 2729440, 2763558, 3070620, 3158352, 3509280, 3684744, 3947940, 4094160, 4605930, 4912992, 5263920, 5527116, 6141240, 6316704, 6908895, 7369488, 7895880, 8188320, 9211860, 10527840, 11054232, 12282480, 13817790, 14738976, 15791760, 18423720, 22108464, 24564960, 27635580, 31583520, 36847440, 44216928, 55271160, 73694880, 110542320, 221084640]

約数ペア:

[(1, 221084640), (2, 110542320), (3, 73694880), (4, 55271160), (5, 44216928), (6, 36847440), (7, 31583520), (8, 27635580), (9, 24564960), (10, 22108464), (12, 18423720), (14, 15791760), (15, 14738976), (16, 13817790), (18, 12282480), (20, 11054232), (21, 10527840), (24, 9211860), (27, 8188320), (28, 7895880), (30, 7369488), (32, 6908895), (35, 6316704), (36, 6141240), (40, 5527116), (42, 5263920), (45, 4912992), (48, 4605930), (54, 4094160), (56, 3947940), (60, 3684744), (63, 3509280), (70, 3158352), (72, 3070620), (80, 2763558), (81, 2729440), (84, 2631960), (90, 2456496), (96, 2302965), (105, 2105568), (108, 2047080), (112, 1973970), (120, 1842372), (126, 1754640), (135, 1637664), (140, 1579176), (144, 1535310), (160, 1381779), (162, 1364720), (168, 1315980), (180, 1228248), (189, 1169760), (210, 1052784), (216, 1023540), (224, 986985), (240, 921186), (252, 877320), (270, 818832), (280, 789588), (288, 767655), (315, 701856), (324, 682360), (336, 657990), (360, 614124), (378, 584880), (405, 545888), (420, 526392), (432, 511770), (480, 460593), (504, 438660), (540, 409416), (560, 394794), (567, 389920), (630, 350928), (648, 341180), (672, 328995), (720, 307062), (756, 292440), (810, 272944), (840, 263196), (864, 255885), (945, 233952), (1008, 219330), (1080, 204708), (1120, 197397), (1134, 194960), (1260, 175464), (1296, 170590), (1440, 153531), (1512, 146220), (1620, 136472), (1680, 131598), (1890, 116976), (2016, 109665), (2160, 102354), (2268, 97480), (2437, 90720), (2520, 87732), (2592, 85295), (2835, 77984), (3024, 73110), (3240, 68236), (3360, 65799), (3780, 58488), (4320, 51177), (4536, 48740), (4874, 45360), (5040, 43866), (5670, 38992), (6048, 36555), (6480, 34118), (7311, 30240), (7560, 29244), (9072, 24370), (9748, 22680), (10080, 21933), (11340, 19496), (12185, 18144), (12960, 17059), (14622, 15120)]