256958352

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 240

約数和(自身を含む): 876432000

約数和(自身を除く): 619473648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 61, 63, 72, 84, 98, 108, 112, 122, 126, 144, 147, 168, 183, 189, 196, 199, 216, 244, 252, 294, 336, 366, 378, 392, 398, 427, 432, 441, 488, 504, 549, 588, 597, 732, 756, 784, 796, 854, 882, 976, 1008, 1098, 1176, 1194, 1281, 1323, 1393, 1464, 1512, 1592, 1647, 1708, 1764, 1791, 2196, 2352, 2388, 2562, 2646, 2786, 2928, 2989, 3024, 3184, 3294, 3416, 3528, 3582, 3843, 4179, 4392, 4776, 5124, 5292, 5373, 5572, 5978, 6588, 6832, 7056, 7164, 7686, 8358, 8784, 8967, 9552, 9751, 10248, 10584, 10746, 11144, 11529, 11956, 12139, 12537, 13176, 14328, 15372, 16716, 17934, 19502, 20496, 21168, 21492, 22288, 23058, 23912, 24278, 25074, 26352, 26901, 28656, 29253, 30744, 33432, 35868, 36417, 37611, 39004, 42984, 46116, 47824, 48556, 50148, 53802, 58506, 61488, 66864, 71736, 72834, 75222, 78008, 80703, 84973, 85968, 87759, 92232, 97112, 100296, 107604, 109251, 117012, 143472, 145668, 150444, 156016, 161406, 169946, 175518, 184464, 194224, 200592, 215208, 218502, 234024, 254919, 263277, 291336, 300888, 322812, 327753, 339892, 351036, 430416, 437004, 468048, 509838, 526554, 582672, 594811, 601776, 645624, 655506, 679784, 702072, 764757, 874008, 1019676, 1053108, 1189622, 1291248, 1311012, 1359568, 1404144, 1529514, 1748016, 1784433, 2039352, 2106216, 2294271, 2379244, 2622024, 3059028, 3568866, 4078704, 4212432, 4588542, 4758488, 5244048, 5353299, 6118056, 7137732, 9177084, 9516976, 10706598, 12236112, 14275464, 16059897, 18354168, 21413196, 28550928, 32119794, 36708336, 42826392, 64239588, 85652784, 128479176, 256958352]

約数ペア:

[(1, 256958352), (2, 128479176), (3, 85652784), (4, 64239588), (6, 42826392), (7, 36708336), (8, 32119794), (9, 28550928), (12, 21413196), (14, 18354168), (16, 16059897), (18, 14275464), (21, 12236112), (24, 10706598), (27, 9516976), (28, 9177084), (36, 7137732), (42, 6118056), (48, 5353299), (49, 5244048), (54, 4758488), (56, 4588542), (61, 4212432), (63, 4078704), (72, 3568866), (84, 3059028), (98, 2622024), (108, 2379244), (112, 2294271), (122, 2106216), (126, 2039352), (144, 1784433), (147, 1748016), (168, 1529514), (183, 1404144), (189, 1359568), (196, 1311012), (199, 1291248), (216, 1189622), (244, 1053108), (252, 1019676), (294, 874008), (336, 764757), (366, 702072), (378, 679784), (392, 655506), (398, 645624), (427, 601776), (432, 594811), (441, 582672), (488, 526554), (504, 509838), (549, 468048), (588, 437004), (597, 430416), (732, 351036), (756, 339892), (784, 327753), (796, 322812), (854, 300888), (882, 291336), (976, 263277), (1008, 254919), (1098, 234024), (1176, 218502), (1194, 215208), (1281, 200592), (1323, 194224), (1393, 184464), (1464, 175518), (1512, 169946), (1592, 161406), (1647, 156016), (1708, 150444), (1764, 145668), (1791, 143472), (2196, 117012), (2352, 109251), (2388, 107604), (2562, 100296), (2646, 97112), (2786, 92232), (2928, 87759), (2989, 85968), (3024, 84973), (3184, 80703), (3294, 78008), (3416, 75222), (3528, 72834), (3582, 71736), (3843, 66864), (4179, 61488), (4392, 58506), (4776, 53802), (5124, 50148), (5292, 48556), (5373, 47824), (5572, 46116), (5978, 42984), (6588, 39004), (6832, 37611), (7056, 36417), (7164, 35868), (7686, 33432), (8358, 30744), (8784, 29253), (8967, 28656), (9552, 26901), (9751, 26352), (10248, 25074), (10584, 24278), (10746, 23912), (11144, 23058), (11529, 22288), (11956, 21492), (12139, 21168), (12537, 20496), (13176, 19502), (14328, 17934), (15372, 16716)]