20158740720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27998251}}^1$

素因数の和:27998270

約数の個数: 60

約数和(自身を含む): 67699773336

約数和(自身を除く): 47541032616

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, 27998251, 55996502, 83994753, 111993004, 139991255, 167989506, 223986008, 251984259, 279982510, 335979012, 419973765, 447972016, 503968518, 559965020, 671958024, 839947530, 1007937036, 1119930040, 1259921295, 1343916048, 1679895060, 2015874072, 2239860080, 2519842590, 3359790120, 4031748144, 5039685180, 6719580240, 10079370360, 20158740720]

約数ペア:

[(1, 20158740720), (2, 10079370360), (3, 6719580240), (4, 5039685180), (5, 4031748144), (6, 3359790120), (8, 2519842590), (9, 2239860080), (10, 2015874072), (12, 1679895060), (15, 1343916048), (16, 1259921295), (18, 1119930040), (20, 1007937036), (24, 839947530), (30, 671958024), (36, 559965020), (40, 503968518), (45, 447972016), (48, 419973765), (60, 335979012), (72, 279982510), (80, 251984259), (90, 223986008), (120, 167989506), (144, 139991255), (180, 111993004), (240, 83994753), (360, 55996502), (720, 27998251)]