30720984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1709}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 88646400

約数和(自身を除く): 57925416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 107, 168, 214, 321, 428, 642, 749, 856, 1284, 1498, 1709, 2247, 2568, 2996, 3418, 4494, 5127, 5992, 6836, 8988, 10254, 11963, 13672, 17976, 20508, 23926, 35889, 41016, 47852, 71778, 95704, 143556, 182863, 287112, 365726, 548589, 731452, 1097178, 1280041, 1462904, 2194356, 2560082, 3840123, 4388712, 5120164, 7680246, 10240328, 15360492, 30720984]

約数ペア:

[(1, 30720984), (2, 15360492), (3, 10240328), (4, 7680246), (6, 5120164), (7, 4388712), (8, 3840123), (12, 2560082), (14, 2194356), (21, 1462904), (24, 1280041), (28, 1097178), (42, 731452), (56, 548589), (84, 365726), (107, 287112), (168, 182863), (214, 143556), (321, 95704), (428, 71778), (642, 47852), (749, 41016), (856, 35889), (1284, 23926), (1498, 20508), (1709, 17976), (2247, 13672), (2568, 11963), (2996, 10254), (3418, 8988), (4494, 6836), (5127, 5992)]