80537040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111857}}^1$

素因数の和:111876

約数の個数: 60

約数和(自身を含む): 270472644

約数和(自身を除く): 189935604

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, 111857, 223714, 335571, 447428, 559285, 671142, 894856, 1006713, 1118570, 1342284, 1677855, 1789712, 2013426, 2237140, 2684568, 3355710, 4026852, 4474280, 5033565, 5369136, 6711420, 8053704, 8948560, 10067130, 13422840, 16107408, 20134260, 26845680, 40268520, 80537040]

約数ペア:

[(1, 80537040), (2, 40268520), (3, 26845680), (4, 20134260), (5, 16107408), (6, 13422840), (8, 10067130), (9, 8948560), (10, 8053704), (12, 6711420), (15, 5369136), (16, 5033565), (18, 4474280), (20, 4026852), (24, 3355710), (30, 2684568), (36, 2237140), (40, 2013426), (45, 1789712), (48, 1677855), (60, 1342284), (72, 1118570), (80, 1006713), (90, 894856), (120, 671142), (144, 559285), (180, 447428), (240, 335571), (360, 223714), (720, 111857)]