154489756480

素因数分解:

$2^6\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{241511}}^1$

素因数の和:243527

約数の個数: 56

約数和(自身を含む): 368064288000

約数和(自身を除く): 213574531520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1999, 3998, 7996, 9995, 15992, 19990, 31984, 39980, 63968, 79960, 127936, 159920, 241511, 319840, 483022, 639680, 966044, 1207555, 1932088, 2415110, 3864176, 4830220, 7728352, 9660440, 15456704, 19320880, 38641760, 77283520, 482780489, 965560978, 1931121956, 2413902445, 3862243912, 4827804890, 7724487824, 9655609780, 15448975648, 19311219560, 30897951296, 38622439120, 77244878240, 154489756480]

約数ペア:

[(1, 154489756480), (2, 77244878240), (4, 38622439120), (5, 30897951296), (8, 19311219560), (10, 15448975648), (16, 9655609780), (20, 7724487824), (32, 4827804890), (40, 3862243912), (64, 2413902445), (80, 1931121956), (160, 965560978), (320, 482780489), (1999, 77283520), (3998, 38641760), (7996, 19320880), (9995, 15456704), (15992, 9660440), (19990, 7728352), (31984, 4830220), (39980, 3864176), (63968, 2415110), (79960, 1932088), (127936, 1207555), (159920, 966044), (241511, 639680), (319840, 483022)]