278945856

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{7687}}^1$

素因数の和:7718

約数の個数: 140

約数和(自身を含む): 945131968

約数和(自身を除く): 666186112

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 192, 216, 224, 252, 288, 324, 336, 378, 432, 448, 504, 567, 576, 648, 672, 756, 864, 1008, 1134, 1296, 1344, 1512, 1728, 2016, 2268, 2592, 3024, 4032, 4536, 5184, 6048, 7687, 9072, 12096, 15374, 18144, 23061, 30748, 36288, 46122, 53809, 61496, 69183, 92244, 107618, 122992, 138366, 161427, 184488, 207549, 215236, 245984, 276732, 322854, 368976, 415098, 430472, 484281, 491968, 553464, 622647, 645708, 737952, 830196, 860944, 968562, 1106928, 1245294, 1291416, 1452843, 1475904, 1660392, 1721888, 1937124, 2213856, 2490588, 2582832, 2905686, 3320784, 3443776, 3874248, 4358529, 4427712, 4981176, 5165664, 5811372, 6641568, 7748496, 8717058, 9962352, 10331328, 11622744, 13283136, 15496992, 17434116, 19924704, 23245488, 30993984, 34868232, 39849408, 46490976, 69736464, 92981952, 139472928, 278945856]

約数ペア:

[(1, 278945856), (2, 139472928), (3, 92981952), (4, 69736464), (6, 46490976), (7, 39849408), (8, 34868232), (9, 30993984), (12, 23245488), (14, 19924704), (16, 17434116), (18, 15496992), (21, 13283136), (24, 11622744), (27, 10331328), (28, 9962352), (32, 8717058), (36, 7748496), (42, 6641568), (48, 5811372), (54, 5165664), (56, 4981176), (63, 4427712), (64, 4358529), (72, 3874248), (81, 3443776), (84, 3320784), (96, 2905686), (108, 2582832), (112, 2490588), (126, 2213856), (144, 1937124), (162, 1721888), (168, 1660392), (189, 1475904), (192, 1452843), (216, 1291416), (224, 1245294), (252, 1106928), (288, 968562), (324, 860944), (336, 830196), (378, 737952), (432, 645708), (448, 622647), (504, 553464), (567, 491968), (576, 484281), (648, 430472), (672, 415098), (756, 368976), (864, 322854), (1008, 276732), (1134, 245984), (1296, 215236), (1344, 207549), (1512, 184488), (1728, 161427), (2016, 138366), (2268, 122992), (2592, 107618), (3024, 92244), (4032, 69183), (4536, 61496), (5184, 53809), (6048, 46122), (7687, 36288), (9072, 30748), (12096, 23061), (15374, 18144)]