211421280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 791169120

約数和(自身を除く): 579747840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 89, 96, 98, 101, 105, 112, 120, 140, 147, 160, 168, 178, 196, 202, 210, 224, 240, 245, 267, 280, 294, 303, 336, 356, 392, 404, 420, 445, 480, 490, 505, 534, 560, 588, 606, 623, 672, 707, 712, 735, 784, 808, 840, 890, 980, 1010, 1068, 1120, 1176, 1212, 1246, 1335, 1414, 1424, 1470, 1515, 1568, 1616, 1680, 1780, 1869, 1960, 2020, 2121, 2136, 2352, 2424, 2492, 2670, 2828, 2848, 2940, 3030, 3115, 3232, 3360, 3535, 3560, 3738, 3920, 4040, 4242, 4272, 4361, 4704, 4848, 4949, 4984, 5340, 5656, 5880, 6060, 6230, 7070, 7120, 7476, 7840, 8080, 8484, 8544, 8722, 8989, 9345, 9696, 9898, 9968, 10605, 10680, 11312, 11760, 12120, 12460, 13083, 14140, 14240, 14847, 14952, 16160, 16968, 17444, 17978, 18690, 19796, 19936, 21210, 21360, 21805, 22624, 23520, 24240, 24745, 24920, 26166, 26967, 28280, 29694, 29904, 33936, 34888, 35956, 37380, 39592, 42420, 42720, 43610, 44945, 48480, 49490, 49840, 52332, 53934, 56560, 59388, 59808, 62923, 65415, 67872, 69776, 71912, 74235, 74760, 79184, 84840, 87220, 89890, 98980, 99680, 104664, 107868, 113120, 118776, 125846, 130830, 134835, 139552, 143824, 148470, 149520, 158368, 169680, 174440, 179780, 188769, 197960, 209328, 215736, 237552, 251692, 261660, 269670, 287648, 296940, 299040, 314615, 339360, 348880, 359560, 377538, 395920, 418656, 431472, 440461, 475104, 503384, 523320, 539340, 593880, 629230, 697760, 719120, 755076, 791840, 862944, 880922, 943845, 1006768, 1046640, 1078680, 1187760, 1258460, 1321383, 1438240, 1510152, 1761844, 1887690, 2013536, 2093280, 2157360, 2202305, 2375520, 2516920, 2642766, 3020304, 3523688, 3775380, 4314720, 4404610, 5033840, 5285532, 6040608, 6606915, 7047376, 7550760, 8809220, 10067680, 10571064, 13213830, 14094752, 15101520, 17618440, 21142128, 26427660, 30203040, 35236880, 42284256, 52855320, 70473760, 105710640, 211421280]

約数ペア:

[(1, 211421280), (2, 105710640), (3, 70473760), (4, 52855320), (5, 42284256), (6, 35236880), (7, 30203040), (8, 26427660), (10, 21142128), (12, 17618440), (14, 15101520), (15, 14094752), (16, 13213830), (20, 10571064), (21, 10067680), (24, 8809220), (28, 7550760), (30, 7047376), (32, 6606915), (35, 6040608), (40, 5285532), (42, 5033840), (48, 4404610), (49, 4314720), (56, 3775380), (60, 3523688), (70, 3020304), (80, 2642766), (84, 2516920), (89, 2375520), (96, 2202305), (98, 2157360), (101, 2093280), (105, 2013536), (112, 1887690), (120, 1761844), (140, 1510152), (147, 1438240), (160, 1321383), (168, 1258460), (178, 1187760), (196, 1078680), (202, 1046640), (210, 1006768), (224, 943845), (240, 880922), (245, 862944), (267, 791840), (280, 755076), (294, 719120), (303, 697760), (336, 629230), (356, 593880), (392, 539340), (404, 523320), (420, 503384), (445, 475104), (480, 440461), (490, 431472), (505, 418656), (534, 395920), (560, 377538), (588, 359560), (606, 348880), (623, 339360), (672, 314615), (707, 299040), (712, 296940), (735, 287648), (784, 269670), (808, 261660), (840, 251692), (890, 237552), (980, 215736), (1010, 209328), (1068, 197960), (1120, 188769), (1176, 179780), (1212, 174440), (1246, 169680), (1335, 158368), (1414, 149520), (1424, 148470), (1470, 143824), (1515, 139552), (1568, 134835), (1616, 130830), (1680, 125846), (1780, 118776), (1869, 113120), (1960, 107868), (2020, 104664), (2121, 99680), (2136, 98980), (2352, 89890), (2424, 87220), (2492, 84840), (2670, 79184), (2828, 74760), (2848, 74235), (2940, 71912), (3030, 69776), (3115, 67872), (3232, 65415), (3360, 62923), (3535, 59808), (3560, 59388), (3738, 56560), (3920, 53934), (4040, 52332), (4242, 49840), (4272, 49490), (4361, 48480), (4704, 44945), (4848, 43610), (4949, 42720), (4984, 42420), (5340, 39592), (5656, 37380), (5880, 35956), (6060, 34888), (6230, 33936), (7070, 29904), (7120, 29694), (7476, 28280), (7840, 26967), (8080, 26166), (8484, 24920), (8544, 24745), (8722, 24240), (8989, 23520), (9345, 22624), (9696, 21805), (9898, 21360), (9968, 21210), (10605, 19936), (10680, 19796), (11312, 18690), (11760, 17978), (12120, 17444), (12460, 16968), (13083, 16160), (14140, 14952), (14240, 14847)]