31457520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43691}}^1$

素因数の和:43710

約数の個数: 60

約数和(自身を含む): 105647256

約数和(自身を除く): 74189736

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, 43691, 87382, 131073, 174764, 218455, 262146, 349528, 393219, 436910, 524292, 655365, 699056, 786438, 873820, 1048584, 1310730, 1572876, 1747640, 1966095, 2097168, 2621460, 3145752, 3495280, 3932190, 5242920, 6291504, 7864380, 10485840, 15728760, 31457520]

約数ペア:

[(1, 31457520), (2, 15728760), (3, 10485840), (4, 7864380), (5, 6291504), (6, 5242920), (8, 3932190), (9, 3495280), (10, 3145752), (12, 2621460), (15, 2097168), (16, 1966095), (18, 1747640), (20, 1572876), (24, 1310730), (30, 1048584), (36, 873820), (40, 786438), (45, 699056), (48, 655365), (60, 524292), (72, 436910), (80, 393219), (90, 349528), (120, 262146), (144, 218455), (180, 174764), (240, 131073), (360, 87382), (720, 43691)]