279668480

素因数分解:

$2^8\times 5^1\times 7^5\times {\mathrm{13}}^1$

素因数の和:69

約数の個数: 216

約数和(自身を含む): 841653792

約数和(自身を除く): 561985312

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 343, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 686, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1372, 1456, 1568, 1664, 1715, 1792, 1820, 1960, 2080, 2240, 2401, 2548, 2744, 2912, 3136, 3185, 3328, 3430, 3640, 3920, 4160, 4459, 4480, 4802, 5096, 5488, 5824, 6272, 6370, 6860, 7280, 7840, 8320, 8918, 8960, 9604, 10192, 10976, 11648, 12005, 12544, 12740, 13720, 14560, 15680, 16640, 16807, 17836, 19208, 20384, 21952, 22295, 23296, 24010, 25480, 27440, 29120, 31213, 31360, 33614, 35672, 38416, 40768, 43904, 44590, 48020, 50960, 54880, 58240, 62426, 62720, 67228, 71344, 76832, 81536, 84035, 87808, 89180, 96040, 101920, 109760, 116480, 124852, 134456, 142688, 153664, 156065, 163072, 168070, 178360, 192080, 203840, 218491, 219520, 249704, 268912, 285376, 307328, 312130, 336140, 356720, 384160, 407680, 436982, 439040, 499408, 537824, 570752, 614656, 624260, 672280, 713440, 768320, 815360, 873964, 998816, 1075648, 1092455, 1141504, 1248520, 1344560, 1426880, 1536640, 1747928, 1997632, 2151296, 2184910, 2497040, 2689120, 2853760, 3073280, 3495856, 3995264, 4302592, 4369820, 4994080, 5378240, 5707520, 6991712, 7990528, 8739640, 9988160, 10756480, 13983424, 17479280, 19976320, 21512960, 27966848, 34958560, 39952640, 55933696, 69917120, 139834240, 279668480]

約数ペア:

[(1, 279668480), (2, 139834240), (4, 69917120), (5, 55933696), (7, 39952640), (8, 34958560), (10, 27966848), (13, 21512960), (14, 19976320), (16, 17479280), (20, 13983424), (26, 10756480), (28, 9988160), (32, 8739640), (35, 7990528), (40, 6991712), (49, 5707520), (52, 5378240), (56, 4994080), (64, 4369820), (65, 4302592), (70, 3995264), (80, 3495856), (91, 3073280), (98, 2853760), (104, 2689120), (112, 2497040), (128, 2184910), (130, 2151296), (140, 1997632), (160, 1747928), (182, 1536640), (196, 1426880), (208, 1344560), (224, 1248520), (245, 1141504), (256, 1092455), (260, 1075648), (280, 998816), (320, 873964), (343, 815360), (364, 768320), (392, 713440), (416, 672280), (448, 624260), (455, 614656), (490, 570752), (520, 537824), (560, 499408), (637, 439040), (640, 436982), (686, 407680), (728, 384160), (784, 356720), (832, 336140), (896, 312130), (910, 307328), (980, 285376), (1040, 268912), (1120, 249704), (1274, 219520), (1280, 218491), (1372, 203840), (1456, 192080), (1568, 178360), (1664, 168070), (1715, 163072), (1792, 156065), (1820, 153664), (1960, 142688), (2080, 134456), (2240, 124852), (2401, 116480), (2548, 109760), (2744, 101920), (2912, 96040), (3136, 89180), (3185, 87808), (3328, 84035), (3430, 81536), (3640, 76832), (3920, 71344), (4160, 67228), (4459, 62720), (4480, 62426), (4802, 58240), (5096, 54880), (5488, 50960), (5824, 48020), (6272, 44590), (6370, 43904), (6860, 40768), (7280, 38416), (7840, 35672), (8320, 33614), (8918, 31360), (8960, 31213), (9604, 29120), (10192, 27440), (10976, 25480), (11648, 24010), (12005, 23296), (12544, 22295), (12740, 21952), (13720, 20384), (14560, 19208), (15680, 17836), (16640, 16807)]