278501328

素因数分解:

$2^4\times 3^8\times 7^1\times {\mathrm{379}}^1$

素因数の和:418

約数の個数: 180

約数和(自身を含む): 927415840

約数和(自身を除く): 648914512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 379, 432, 486, 504, 567, 648, 729, 756, 758, 972, 1008, 1134, 1137, 1296, 1458, 1512, 1516, 1701, 1944, 2187, 2268, 2274, 2653, 2916, 3024, 3032, 3402, 3411, 3888, 4374, 4536, 4548, 5103, 5306, 5832, 6064, 6561, 6804, 6822, 7959, 8748, 9072, 9096, 10206, 10233, 10612, 11664, 13122, 13608, 13644, 15309, 15918, 17496, 18192, 20412, 20466, 21224, 23877, 26244, 27216, 27288, 30618, 30699, 31836, 34992, 40824, 40932, 42448, 45927, 47754, 52488, 54576, 61236, 61398, 63672, 71631, 81648, 81864, 91854, 92097, 95508, 104976, 122472, 122796, 127344, 143262, 163728, 183708, 184194, 191016, 214893, 244944, 245592, 276291, 286524, 367416, 368388, 382032, 429786, 491184, 552582, 573048, 644679, 734832, 736776, 828873, 859572, 1105164, 1146096, 1289358, 1473552, 1657746, 1719144, 1934037, 2210328, 2486619, 2578716, 3315492, 3438288, 3868074, 4420656, 4973238, 5157432, 5802111, 6630984, 7736148, 9946476, 10314864, 11604222, 13261968, 15472296, 17406333, 19892952, 23208444, 30944592, 34812666, 39785904, 46416888, 69625332, 92833776, 139250664, 278501328]

約数ペア:

[(1, 278501328), (2, 139250664), (3, 92833776), (4, 69625332), (6, 46416888), (7, 39785904), (8, 34812666), (9, 30944592), (12, 23208444), (14, 19892952), (16, 17406333), (18, 15472296), (21, 13261968), (24, 11604222), (27, 10314864), (28, 9946476), (36, 7736148), (42, 6630984), (48, 5802111), (54, 5157432), (56, 4973238), (63, 4420656), (72, 3868074), (81, 3438288), (84, 3315492), (108, 2578716), (112, 2486619), (126, 2210328), (144, 1934037), (162, 1719144), (168, 1657746), (189, 1473552), (216, 1289358), (243, 1146096), (252, 1105164), (324, 859572), (336, 828873), (378, 736776), (379, 734832), (432, 644679), (486, 573048), (504, 552582), (567, 491184), (648, 429786), (729, 382032), (756, 368388), (758, 367416), (972, 286524), (1008, 276291), (1134, 245592), (1137, 244944), (1296, 214893), (1458, 191016), (1512, 184194), (1516, 183708), (1701, 163728), (1944, 143262), (2187, 127344), (2268, 122796), (2274, 122472), (2653, 104976), (2916, 95508), (3024, 92097), (3032, 91854), (3402, 81864), (3411, 81648), (3888, 71631), (4374, 63672), (4536, 61398), (4548, 61236), (5103, 54576), (5306, 52488), (5832, 47754), (6064, 45927), (6561, 42448), (6804, 40932), (6822, 40824), (7959, 34992), (8748, 31836), (9072, 30699), (9096, 30618), (10206, 27288), (10233, 27216), (10612, 26244), (11664, 23877), (13122, 21224), (13608, 20466), (13644, 20412), (15309, 18192), (15918, 17496)]