256970880

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{4957}}^1$

素因数の和:4988

約数の個数: 160

約数和(自身を含む): 917874540

約数和(自身を除く): 660903660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 4957, 5184, 5760, 6480, 8640, 9914, 10368, 12960, 14871, 17280, 19828, 24785, 25920, 29742, 39656, 44613, 49570, 51840, 59484, 74355, 79312, 89226, 99140, 118968, 133839, 148710, 158624, 178452, 198280, 223065, 237936, 267678, 297420, 317248, 356904, 396560, 401517, 446130, 475872, 535356, 594840, 634496, 669195, 713808, 793120, 803034, 892260, 951744, 1070712, 1189680, 1338390, 1427616, 1586240, 1606068, 1784520, 1903488, 2007585, 2141424, 2379360, 2676780, 2855232, 3172480, 3212136, 3569040, 4015170, 4282848, 4758720, 5353560, 5710464, 6424272, 7138080, 8030340, 8565696, 9517440, 10707120, 12848544, 14276160, 16060680, 17131392, 21414240, 25697088, 28552320, 32121360, 42828480, 51394176, 64242720, 85656960, 128485440, 256970880]

約数ペア:

[(1, 256970880), (2, 128485440), (3, 85656960), (4, 64242720), (5, 51394176), (6, 42828480), (8, 32121360), (9, 28552320), (10, 25697088), (12, 21414240), (15, 17131392), (16, 16060680), (18, 14276160), (20, 12848544), (24, 10707120), (27, 9517440), (30, 8565696), (32, 8030340), (36, 7138080), (40, 6424272), (45, 5710464), (48, 5353560), (54, 4758720), (60, 4282848), (64, 4015170), (72, 3569040), (80, 3212136), (81, 3172480), (90, 2855232), (96, 2676780), (108, 2379360), (120, 2141424), (128, 2007585), (135, 1903488), (144, 1784520), (160, 1606068), (162, 1586240), (180, 1427616), (192, 1338390), (216, 1189680), (240, 1070712), (270, 951744), (288, 892260), (320, 803034), (324, 793120), (360, 713808), (384, 669195), (405, 634496), (432, 594840), (480, 535356), (540, 475872), (576, 446130), (640, 401517), (648, 396560), (720, 356904), (810, 317248), (864, 297420), (960, 267678), (1080, 237936), (1152, 223065), (1296, 198280), (1440, 178452), (1620, 158624), (1728, 148710), (1920, 133839), (2160, 118968), (2592, 99140), (2880, 89226), (3240, 79312), (3456, 74355), (4320, 59484), (4957, 51840), (5184, 49570), (5760, 44613), (6480, 39656), (8640, 29742), (9914, 25920), (10368, 24785), (12960, 19828), (14871, 17280)]