81455280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17863}}^1$

素因数の和:17898

約数の個数: 80

約数和(自身を含む): 265816320

約数和(自身を除く): 184361040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 17863, 35726, 53589, 71452, 89315, 107178, 142904, 178630, 214356, 267945, 285808, 339397, 357260, 428712, 535890, 678794, 714520, 857424, 1018191, 1071780, 1357588, 1429040, 1696985, 2036382, 2143560, 2715176, 3393970, 4072764, 4287120, 5090955, 5430352, 6787940, 8145528, 10181910, 13575880, 16291056, 20363820, 27151760, 40727640, 81455280]

約数ペア:

[(1, 81455280), (2, 40727640), (3, 27151760), (4, 20363820), (5, 16291056), (6, 13575880), (8, 10181910), (10, 8145528), (12, 6787940), (15, 5430352), (16, 5090955), (19, 4287120), (20, 4072764), (24, 3393970), (30, 2715176), (38, 2143560), (40, 2036382), (48, 1696985), (57, 1429040), (60, 1357588), (76, 1071780), (80, 1018191), (95, 857424), (114, 714520), (120, 678794), (152, 535890), (190, 428712), (228, 357260), (240, 339397), (285, 285808), (304, 267945), (380, 214356), (456, 178630), (570, 142904), (760, 107178), (912, 89315), (1140, 71452), (1520, 53589), (2280, 35726), (4560, 17863)]