40768000

素因数分解:

$2^9\times 5^3\times 7^2\times {\mathrm{13}}^1$

素因数の和:60

約数の個数: 240

約数和(自身を含む): 127351224

約数和(自身を除く): 86583224

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 49, 50, 52, 56, 64, 65, 70, 80, 91, 98, 100, 104, 112, 125, 128, 130, 140, 160, 175, 182, 196, 200, 208, 224, 245, 250, 256, 260, 280, 320, 325, 350, 364, 392, 400, 416, 448, 455, 490, 500, 512, 520, 560, 637, 640, 650, 700, 728, 784, 800, 832, 875, 896, 910, 980, 1000, 1040, 1120, 1225, 1274, 1280, 1300, 1400, 1456, 1568, 1600, 1625, 1664, 1750, 1792, 1820, 1960, 2000, 2080, 2240, 2275, 2450, 2548, 2560, 2600, 2800, 2912, 3136, 3185, 3200, 3250, 3328, 3500, 3584, 3640, 3920, 4000, 4160, 4480, 4550, 4900, 5096, 5200, 5600, 5824, 6125, 6272, 6370, 6400, 6500, 6656, 7000, 7280, 7840, 8000, 8320, 8960, 9100, 9800, 10192, 10400, 11200, 11375, 11648, 12250, 12544, 12740, 12800, 13000, 14000, 14560, 15680, 15925, 16000, 16640, 17920, 18200, 19600, 20384, 20800, 22400, 22750, 23296, 24500, 25088, 25480, 26000, 28000, 29120, 31360, 31850, 32000, 33280, 36400, 39200, 40768, 41600, 44800, 45500, 46592, 49000, 50960, 52000, 56000, 58240, 62720, 63700, 64000, 72800, 78400, 79625, 81536, 83200, 89600, 91000, 98000, 101920, 104000, 112000, 116480, 125440, 127400, 145600, 156800, 159250, 163072, 166400, 182000, 196000, 203840, 208000, 224000, 232960, 254800, 291200, 313600, 318500, 326144, 364000, 392000, 407680, 416000, 448000, 509600, 582400, 627200, 637000, 728000, 784000, 815360, 832000, 1019200, 1164800, 1274000, 1456000, 1568000, 1630720, 2038400, 2548000, 2912000, 3136000, 4076800, 5096000, 5824000, 8153600, 10192000, 20384000, 40768000]

約数ペア:

[(1, 40768000), (2, 20384000), (4, 10192000), (5, 8153600), (7, 5824000), (8, 5096000), (10, 4076800), (13, 3136000), (14, 2912000), (16, 2548000), (20, 2038400), (25, 1630720), (26, 1568000), (28, 1456000), (32, 1274000), (35, 1164800), (40, 1019200), (49, 832000), (50, 815360), (52, 784000), (56, 728000), (64, 637000), (65, 627200), (70, 582400), (80, 509600), (91, 448000), (98, 416000), (100, 407680), (104, 392000), (112, 364000), (125, 326144), (128, 318500), (130, 313600), (140, 291200), (160, 254800), (175, 232960), (182, 224000), (196, 208000), (200, 203840), (208, 196000), (224, 182000), (245, 166400), (250, 163072), (256, 159250), (260, 156800), (280, 145600), (320, 127400), (325, 125440), (350, 116480), (364, 112000), (392, 104000), (400, 101920), (416, 98000), (448, 91000), (455, 89600), (490, 83200), (500, 81536), (512, 79625), (520, 78400), (560, 72800), (637, 64000), (640, 63700), (650, 62720), (700, 58240), (728, 56000), (784, 52000), (800, 50960), (832, 49000), (875, 46592), (896, 45500), (910, 44800), (980, 41600), (1000, 40768), (1040, 39200), (1120, 36400), (1225, 33280), (1274, 32000), (1280, 31850), (1300, 31360), (1400, 29120), (1456, 28000), (1568, 26000), (1600, 25480), (1625, 25088), (1664, 24500), (1750, 23296), (1792, 22750), (1820, 22400), (1960, 20800), (2000, 20384), (2080, 19600), (2240, 18200), (2275, 17920), (2450, 16640), (2548, 16000), (2560, 15925), (2600, 15680), (2800, 14560), (2912, 14000), (3136, 13000), (3185, 12800), (3200, 12740), (3250, 12544), (3328, 12250), (3500, 11648), (3584, 11375), (3640, 11200), (3920, 10400), (4000, 10192), (4160, 9800), (4480, 9100), (4550, 8960), (4900, 8320), (5096, 8000), (5200, 7840), (5600, 7280), (5824, 7000), (6125, 6656), (6272, 6500), (6370, 6400)]