128485440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{4957}}^1$

素因数の和:4986

約数の個数: 140

約数和(自身を含む): 457137516

約数和(自身を除く): 328652076

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, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 4957, 5184, 6480, 8640, 9914, 12960, 14871, 19828, 24785, 25920, 29742, 39656, 44613, 49570, 59484, 74355, 79312, 89226, 99140, 118968, 133839, 148710, 158624, 178452, 198280, 223065, 237936, 267678, 297420, 317248, 356904, 396560, 401517, 446130, 475872, 535356, 594840, 669195, 713808, 793120, 803034, 892260, 951744, 1070712, 1189680, 1338390, 1427616, 1586240, 1606068, 1784520, 2007585, 2141424, 2379360, 2676780, 2855232, 3212136, 3569040, 4015170, 4282848, 4758720, 5353560, 6424272, 7138080, 8030340, 8565696, 10707120, 12848544, 14276160, 16060680, 21414240, 25697088, 32121360, 42828480, 64242720, 128485440]

約数ペア:

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