208753920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{18121}}^1$

素因数の和:18148

約数の個数: 108

約数和(自身を含む): 722306676

約数和(自身を除く): 513552756

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 18121, 36242, 54363, 72484, 90605, 108726, 144968, 163089, 181210, 217452, 271815, 289936, 326178, 362420, 434904, 543630, 579872, 652356, 724840, 815445, 869808, 1087260, 1159744, 1304712, 1449680, 1630890, 1739616, 2174520, 2319488, 2609424, 2899360, 3261780, 3479232, 4349040, 4638976, 5218848, 5798720, 6523560, 6958464, 8698080, 10437696, 11597440, 13047120, 13916928, 17396160, 20875392, 23194880, 26094240, 34792320, 41750784, 52188480, 69584640, 104376960, 208753920]

約数ペア:

[(1, 208753920), (2, 104376960), (3, 69584640), (4, 52188480), (5, 41750784), (6, 34792320), (8, 26094240), (9, 23194880), (10, 20875392), (12, 17396160), (15, 13916928), (16, 13047120), (18, 11597440), (20, 10437696), (24, 8698080), (30, 6958464), (32, 6523560), (36, 5798720), (40, 5218848), (45, 4638976), (48, 4349040), (60, 3479232), (64, 3261780), (72, 2899360), (80, 2609424), (90, 2319488), (96, 2174520), (120, 1739616), (128, 1630890), (144, 1449680), (160, 1304712), (180, 1159744), (192, 1087260), (240, 869808), (256, 815445), (288, 724840), (320, 652356), (360, 579872), (384, 543630), (480, 434904), (576, 362420), (640, 326178), (720, 289936), (768, 271815), (960, 217452), (1152, 181210), (1280, 163089), (1440, 144968), (1920, 108726), (2304, 90605), (2880, 72484), (3840, 54363), (5760, 36242), (11520, 18121)]