251285328

素因数分解:

$2^4\times 3^5\times 7^2\times {\mathrm{1319}}^1$

素因数の和:1356

約数の個数: 180

約数和(自身を含む): 849008160

約数和(自身を除く): 597722832

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, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 648, 756, 784, 882, 972, 1008, 1134, 1176, 1296, 1319, 1323, 1512, 1701, 1764, 1944, 2268, 2352, 2638, 2646, 3024, 3402, 3528, 3888, 3957, 3969, 4536, 5276, 5292, 6804, 7056, 7914, 7938, 9072, 9233, 10552, 10584, 11871, 11907, 13608, 15828, 15876, 18466, 21104, 21168, 23742, 23814, 27216, 27699, 31656, 31752, 35613, 36932, 47484, 47628, 55398, 63312, 63504, 64631, 71226, 73864, 83097, 94968, 95256, 106839, 110796, 129262, 142452, 147728, 166194, 189936, 190512, 193893, 213678, 221592, 249291, 258524, 284904, 320517, 332388, 387786, 427356, 443184, 498582, 517048, 569808, 581679, 641034, 664776, 747873, 775572, 854712, 997164, 1034096, 1163358, 1282068, 1329552, 1495746, 1551144, 1709424, 1745037, 1994328, 2243619, 2326716, 2564136, 2991492, 3102288, 3490074, 3988656, 4487238, 4653432, 5128272, 5235111, 5982984, 6980148, 8974476, 9306864, 10470222, 11965968, 13960296, 15705333, 17948952, 20940444, 27920592, 31410666, 35897904, 41880888, 62821332, 83761776, 125642664, 251285328]

約数ペア:

[(1, 251285328), (2, 125642664), (3, 83761776), (4, 62821332), (6, 41880888), (7, 35897904), (8, 31410666), (9, 27920592), (12, 20940444), (14, 17948952), (16, 15705333), (18, 13960296), (21, 11965968), (24, 10470222), (27, 9306864), (28, 8974476), (36, 6980148), (42, 5982984), (48, 5235111), (49, 5128272), (54, 4653432), (56, 4487238), (63, 3988656), (72, 3490074), (81, 3102288), (84, 2991492), (98, 2564136), (108, 2326716), (112, 2243619), (126, 1994328), (144, 1745037), (147, 1709424), (162, 1551144), (168, 1495746), (189, 1329552), (196, 1282068), (216, 1163358), (243, 1034096), (252, 997164), (294, 854712), (324, 775572), (336, 747873), (378, 664776), (392, 641034), (432, 581679), (441, 569808), (486, 517048), (504, 498582), (567, 443184), (588, 427356), (648, 387786), (756, 332388), (784, 320517), (882, 284904), (972, 258524), (1008, 249291), (1134, 221592), (1176, 213678), (1296, 193893), (1319, 190512), (1323, 189936), (1512, 166194), (1701, 147728), (1764, 142452), (1944, 129262), (2268, 110796), (2352, 106839), (2638, 95256), (2646, 94968), (3024, 83097), (3402, 73864), (3528, 71226), (3888, 64631), (3957, 63504), (3969, 63312), (4536, 55398), (5276, 47628), (5292, 47484), (6804, 36932), (7056, 35613), (7914, 31752), (7938, 31656), (9072, 27699), (9233, 27216), (10552, 23814), (10584, 23742), (11871, 21168), (11907, 21104), (13608, 18466), (15828, 15876)]