231281568

素因数分解:

$2^5\times 3^5\times 7^2\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 216

約数和(自身を含む): 794731392

約数和(自身を除く): 563449824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 243, 252, 288, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 607, 648, 672, 756, 784, 864, 882, 972, 1008, 1134, 1176, 1214, 1296, 1323, 1512, 1568, 1701, 1764, 1821, 1944, 2016, 2268, 2352, 2428, 2592, 2646, 3024, 3402, 3528, 3642, 3888, 3969, 4249, 4536, 4704, 4856, 5292, 5463, 6048, 6804, 7056, 7284, 7776, 7938, 8498, 9072, 9712, 10584, 10926, 11907, 12747, 13608, 14112, 14568, 15876, 16389, 16996, 18144, 19424, 21168, 21852, 23814, 25494, 27216, 29136, 29743, 31752, 32778, 33992, 38241, 42336, 43704, 47628, 49167, 50988, 54432, 58272, 59486, 63504, 65556, 67984, 76482, 87408, 89229, 95256, 98334, 101976, 114723, 118972, 127008, 131112, 135968, 147501, 152964, 174816, 178458, 190512, 196668, 203952, 229446, 237944, 262224, 267687, 295002, 305928, 344169, 356916, 381024, 393336, 407904, 458892, 475888, 524448, 535374, 590004, 611856, 688338, 713832, 786672, 803061, 917784, 951776, 1032507, 1070748, 1180008, 1223712, 1376676, 1427664, 1573344, 1606122, 1835568, 2065014, 2141496, 2360016, 2409183, 2753352, 2855328, 3212244, 3671136, 4130028, 4282992, 4720032, 4818366, 5506704, 6424488, 7227549, 8260056, 8565984, 9636732, 11013408, 12848976, 14455098, 16520112, 19273464, 25697952, 28910196, 33040224, 38546928, 57820392, 77093856, 115640784, 231281568]

約数ペア:

[(1, 231281568), (2, 115640784), (3, 77093856), (4, 57820392), (6, 38546928), (7, 33040224), (8, 28910196), (9, 25697952), (12, 19273464), (14, 16520112), (16, 14455098), (18, 12848976), (21, 11013408), (24, 9636732), (27, 8565984), (28, 8260056), (32, 7227549), (36, 6424488), (42, 5506704), (48, 4818366), (49, 4720032), (54, 4282992), (56, 4130028), (63, 3671136), (72, 3212244), (81, 2855328), (84, 2753352), (96, 2409183), (98, 2360016), (108, 2141496), (112, 2065014), (126, 1835568), (144, 1606122), (147, 1573344), (162, 1427664), (168, 1376676), (189, 1223712), (196, 1180008), (216, 1070748), (224, 1032507), (243, 951776), (252, 917784), (288, 803061), (294, 786672), (324, 713832), (336, 688338), (378, 611856), (392, 590004), (432, 535374), (441, 524448), (486, 475888), (504, 458892), (567, 407904), (588, 393336), (607, 381024), (648, 356916), (672, 344169), (756, 305928), (784, 295002), (864, 267687), (882, 262224), (972, 237944), (1008, 229446), (1134, 203952), (1176, 196668), (1214, 190512), (1296, 178458), (1323, 174816), (1512, 152964), (1568, 147501), (1701, 135968), (1764, 131112), (1821, 127008), (1944, 118972), (2016, 114723), (2268, 101976), (2352, 98334), (2428, 95256), (2592, 89229), (2646, 87408), (3024, 76482), (3402, 67984), (3528, 65556), (3642, 63504), (3888, 59486), (3969, 58272), (4249, 54432), (4536, 50988), (4704, 49167), (4856, 47628), (5292, 43704), (5463, 42336), (6048, 38241), (6804, 33992), (7056, 32778), (7284, 31752), (7776, 29743), (7938, 29136), (8498, 27216), (9072, 25494), (9712, 23814), (10584, 21852), (10926, 21168), (11907, 19424), (12747, 18144), (13608, 16996), (14112, 16389), (14568, 15876)]