About the Number
131216640
2進数表記:111110100100011010100000000
漢数字表記:一億三千百二十一万六千六百四十
素因数分解:
素因数の和:34195
約数の個数: 72
約数和(自身を含む): 419085408
約数和(自身を除く): 287868768
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 34171, 68342, 102513, 136684, 170855, 205026, 273368, 341710, 410052, 512565, 546736, 683420, 820104, 1025130, 1093472, 1366840, 1640208, 2050260, 2186944, 2733680, 3280416, 4100520, 4373888, 5467360, 6560832, 8201040, 8747776, 10934720, 13121664, 16402080, 21869440, 26243328, 32804160, 43738880, 65608320, 131216640]
約数ペア:
[(1, 131216640), (2, 65608320), (3, 43738880), (4, 32804160), (5, 26243328), (6, 21869440), (8, 16402080), (10, 13121664), (12, 10934720), (15, 8747776), (16, 8201040), (20, 6560832), (24, 5467360), (30, 4373888), (32, 4100520), (40, 3280416), (48, 2733680), (60, 2186944), (64, 2050260), (80, 1640208), (96, 1366840), (120, 1093472), (128, 1025130), (160, 820104), (192, 683420), (240, 546736), (256, 512565), (320, 410052), (384, 341710), (480, 273368), (640, 205026), (768, 170855), (960, 136684), (1280, 102513), (1920, 68342), (3840, 34171)]このpageの処理時間: 0.006272554397583008 seconds