30164820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71821}}^1$

素因数の和:71840

約数の個数: 48

約数和(自身を含む): 96528768

約数和(自身を除く): 66363948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 71821, 143642, 215463, 287284, 359105, 430926, 502747, 718210, 861852, 1005494, 1077315, 1436420, 1508241, 2010988, 2154630, 2513735, 3016482, 4309260, 5027470, 6032964, 7541205, 10054940, 15082410, 30164820]

約数ペア:

[(1, 30164820), (2, 15082410), (3, 10054940), (4, 7541205), (5, 6032964), (6, 5027470), (7, 4309260), (10, 3016482), (12, 2513735), (14, 2154630), (15, 2010988), (20, 1508241), (21, 1436420), (28, 1077315), (30, 1005494), (35, 861852), (42, 718210), (60, 502747), (70, 430926), (84, 359105), (105, 287284), (140, 215463), (210, 143642), (420, 71821)]