About the Number
28710720
2進数表記:1101101100001011101000000
漢数字表記:二千八百七十一万七百二十
素因数分解:
素因数の和:3349
約数の個数: 112
約数和(自身を含む): 101315520
約数和(自身を除く): 72604800
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, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 3323, 4320, 6646, 8640, 9969, 13292, 16615, 19938, 26584, 29907, 33230, 39876, 49845, 53168, 59814, 66460, 79752, 89721, 99690, 106336, 119628, 132920, 149535, 159504, 179442, 199380, 212672, 239256, 265840, 299070, 319008, 358884, 398760, 448605, 478512, 531680, 598140, 638016, 717768, 797520, 897210, 957024, 1063360, 1196280, 1435536, 1595040, 1794420, 1914048, 2392560, 2871072, 3190080, 3588840, 4785120, 5742144, 7177680, 9570240, 14355360, 28710720]
約数ペア:
[(1, 28710720), (2, 14355360), (3, 9570240), (4, 7177680), (5, 5742144), (6, 4785120), (8, 3588840), (9, 3190080), (10, 2871072), (12, 2392560), (15, 1914048), (16, 1794420), (18, 1595040), (20, 1435536), (24, 1196280), (27, 1063360), (30, 957024), (32, 897210), (36, 797520), (40, 717768), (45, 638016), (48, 598140), (54, 531680), (60, 478512), (64, 448605), (72, 398760), (80, 358884), (90, 319008), (96, 299070), (108, 265840), (120, 239256), (135, 212672), (144, 199380), (160, 179442), (180, 159504), (192, 149535), (216, 132920), (240, 119628), (270, 106336), (288, 99690), (320, 89721), (360, 79752), (432, 66460), (480, 59814), (540, 53168), (576, 49845), (720, 39876), (864, 33230), (960, 29907), (1080, 26584), (1440, 19938), (1728, 16615), (2160, 13292), (2880, 9969), (3323, 8640), (4320, 6646)]このpageの処理時間: 0.1939854621887207 seconds