20150280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 45893880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 223, 251, 360, 446, 502, 669, 753, 892, 1004, 1115, 1255, 1338, 1506, 1784, 2007, 2008, 2230, 2259, 2510, 2676, 3012, 3345, 3765, 4014, 4460, 4518, 5020, 5352, 6024, 6690, 7530, 8028, 8920, 9036, 10035, 10040, 11295, 13380, 15060, 16056, 18072, 20070, 22590, 26760, 30120, 40140, 45180, 55973, 80280, 90360, 111946, 167919, 223892, 279865, 335838, 447784, 503757, 559730, 671676, 839595, 1007514, 1119460, 1343352, 1679190, 2015028, 2238920, 2518785, 3358380, 4030056, 5037570, 6716760, 10075140, 20150280]

約数ペア:

[(1, 20150280), (2, 10075140), (3, 6716760), (4, 5037570), (5, 4030056), (6, 3358380), (8, 2518785), (9, 2238920), (10, 2015028), (12, 1679190), (15, 1343352), (18, 1119460), (20, 1007514), (24, 839595), (30, 671676), (36, 559730), (40, 503757), (45, 447784), (60, 335838), (72, 279865), (90, 223892), (120, 167919), (180, 111946), (223, 90360), (251, 80280), (360, 55973), (446, 45180), (502, 40140), (669, 30120), (753, 26760), (892, 22590), (1004, 20070), (1115, 18072), (1255, 16056), (1338, 15060), (1506, 13380), (1784, 11295), (2007, 10040), (2008, 10035), (2230, 9036), (2259, 8920), (2510, 8028), (2676, 7530), (3012, 6690), (3345, 6024), (3765, 5352), (4014, 5020), (4460, 4518)]