256529280

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19087}}^1$

素因数の和:19116

約数の個数: 128

約数和(自身を含む): 934548480

約数和(自身を除く): 678019200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19087, 38174, 57261, 76348, 95435, 114522, 133609, 152696, 190870, 229044, 267218, 286305, 305392, 381740, 400827, 458088, 534436, 572610, 610784, 668045, 763480, 801654, 916176, 1068872, 1145220, 1221568, 1336090, 1526960, 1603308, 1832352, 2004135, 2137744, 2290440, 2443136, 2672180, 3053920, 3206616, 3664704, 4008270, 4275488, 4580880, 5344360, 6107840, 6413232, 7329408, 8016540, 8550976, 9161760, 10688720, 12215680, 12826464, 16033080, 17101952, 18323520, 21377440, 25652928, 32066160, 36647040, 42754880, 51305856, 64132320, 85509760, 128264640, 256529280]

約数ペア:

[(1, 256529280), (2, 128264640), (3, 85509760), (4, 64132320), (5, 51305856), (6, 42754880), (7, 36647040), (8, 32066160), (10, 25652928), (12, 21377440), (14, 18323520), (15, 17101952), (16, 16033080), (20, 12826464), (21, 12215680), (24, 10688720), (28, 9161760), (30, 8550976), (32, 8016540), (35, 7329408), (40, 6413232), (42, 6107840), (48, 5344360), (56, 4580880), (60, 4275488), (64, 4008270), (70, 3664704), (80, 3206616), (84, 3053920), (96, 2672180), (105, 2443136), (112, 2290440), (120, 2137744), (128, 2004135), (140, 1832352), (160, 1603308), (168, 1526960), (192, 1336090), (210, 1221568), (224, 1145220), (240, 1068872), (280, 916176), (320, 801654), (336, 763480), (384, 668045), (420, 610784), (448, 572610), (480, 534436), (560, 458088), (640, 400827), (672, 381740), (840, 305392), (896, 286305), (960, 267218), (1120, 229044), (1344, 190870), (1680, 152696), (1920, 133609), (2240, 114522), (2688, 95435), (3360, 76348), (4480, 57261), (6720, 38174), (13440, 19087)]