81923760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113783}}^1$

素因数の和:113802

約数の個数: 60

約数和(自身を含む): 275129712

約数和(自身を除く): 193205952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113783, 227566, 341349, 455132, 568915, 682698, 910264, 1024047, 1137830, 1365396, 1706745, 1820528, 2048094, 2275660, 2730792, 3413490, 4096188, 4551320, 5120235, 5461584, 6826980, 8192376, 9102640, 10240470, 13653960, 16384752, 20480940, 27307920, 40961880, 81923760]

約数ペア:

[(1, 81923760), (2, 40961880), (3, 27307920), (4, 20480940), (5, 16384752), (6, 13653960), (8, 10240470), (9, 9102640), (10, 8192376), (12, 6826980), (15, 5461584), (16, 5120235), (18, 4551320), (20, 4096188), (24, 3413490), (30, 2730792), (36, 2275660), (40, 2048094), (45, 1820528), (48, 1706745), (60, 1365396), (72, 1137830), (80, 1024047), (90, 910264), (120, 682698), (144, 568915), (180, 455132), (240, 341349), (360, 227566), (720, 113783)]