19998275520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{905719}}^1$

素因数の和:905762

約数の個数: 112

約数和(自身を含む): 66255229440

約数和(自身を除く): 46256953920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 2208, 2760, 3680, 4416, 5520, 7360, 11040, 22080, 905719, 1811438, 2717157, 3622876, 4528595, 5434314, 7245752, 9057190, 10868628, 13585785, 14491504, 18114380, 20831537, 21737256, 27171570, 28983008, 36228760, 41663074, 43474512, 54343140, 57966016, 62494611, 72457520, 83326148, 86949024, 104157685, 108686280, 124989222, 144915040, 166652296, 173898048, 208315370, 217372560, 249978444, 289830080, 312473055, 333304592, 416630740, 434745120, 499956888, 624946110, 666609184, 833261480, 869490240, 999913776, 1249892220, 1333218368, 1666522960, 1999827552, 2499784440, 3333045920, 3999655104, 4999568880, 6666091840, 9999137760, 19998275520]

約数ペア:

[(1, 19998275520), (2, 9999137760), (3, 6666091840), (4, 4999568880), (5, 3999655104), (6, 3333045920), (8, 2499784440), (10, 1999827552), (12, 1666522960), (15, 1333218368), (16, 1249892220), (20, 999913776), (23, 869490240), (24, 833261480), (30, 666609184), (32, 624946110), (40, 499956888), (46, 434745120), (48, 416630740), (60, 333304592), (64, 312473055), (69, 289830080), (80, 249978444), (92, 217372560), (96, 208315370), (115, 173898048), (120, 166652296), (138, 144915040), (160, 124989222), (184, 108686280), (192, 104157685), (230, 86949024), (240, 83326148), (276, 72457520), (320, 62494611), (345, 57966016), (368, 54343140), (460, 43474512), (480, 41663074), (552, 36228760), (690, 28983008), (736, 27171570), (920, 21737256), (960, 20831537), (1104, 18114380), (1380, 14491504), (1472, 13585785), (1840, 10868628), (2208, 9057190), (2760, 7245752), (3680, 5434314), (4416, 4528595), (5520, 3622876), (7360, 2717157), (11040, 1811438), (22080, 905719)]