278794880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4787}}^1$

素因数の和:4826

約数の個数: 128

約数和(自身を含む): 820471680

約数和(自身を除く): 541676800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 4160, 4480, 4787, 5824, 7280, 8320, 9574, 11648, 14560, 19148, 23935, 29120, 33509, 38296, 47870, 58240, 62231, 67018, 76592, 95740, 124462, 134036, 153184, 167545, 191480, 248924, 268072, 306368, 311155, 335090, 382960, 435617, 497848, 536144, 612736, 622310, 670180, 765920, 871234, 995696, 1072288, 1244620, 1340360, 1531840, 1742468, 1991392, 2144576, 2178085, 2489240, 2680720, 3063680, 3484936, 3982784, 4289152, 4356170, 4978480, 5361440, 6969872, 7965568, 8712340, 9956960, 10722880, 13939744, 17424680, 19913920, 21445760, 27879488, 34849360, 39827840, 55758976, 69698720, 139397440, 278794880]

約数ペア:

[(1, 278794880), (2, 139397440), (4, 69698720), (5, 55758976), (7, 39827840), (8, 34849360), (10, 27879488), (13, 21445760), (14, 19913920), (16, 17424680), (20, 13939744), (26, 10722880), (28, 9956960), (32, 8712340), (35, 7965568), (40, 6969872), (52, 5361440), (56, 4978480), (64, 4356170), (65, 4289152), (70, 3982784), (80, 3484936), (91, 3063680), (104, 2680720), (112, 2489240), (128, 2178085), (130, 2144576), (140, 1991392), (160, 1742468), (182, 1531840), (208, 1340360), (224, 1244620), (260, 1072288), (280, 995696), (320, 871234), (364, 765920), (416, 670180), (448, 622310), (455, 612736), (520, 536144), (560, 497848), (640, 435617), (728, 382960), (832, 335090), (896, 311155), (910, 306368), (1040, 268072), (1120, 248924), (1456, 191480), (1664, 167545), (1820, 153184), (2080, 134036), (2240, 124462), (2912, 95740), (3640, 76592), (4160, 67018), (4480, 62231), (4787, 58240), (5824, 47870), (7280, 38296), (8320, 33509), (9574, 29120), (11648, 23935), (14560, 19148)]