30271720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 40230680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 101, 118, 127, 202, 236, 254, 295, 404, 472, 505, 508, 590, 635, 808, 1010, 1016, 1180, 1270, 2020, 2360, 2540, 4040, 5080, 5959, 7493, 11918, 12827, 14986, 23836, 25654, 29795, 29972, 37465, 47672, 51308, 59590, 59944, 64135, 74930, 102616, 119180, 128270, 149860, 238360, 256540, 299720, 513080, 756793, 1513586, 3027172, 3783965, 6054344, 7567930, 15135860, 30271720]

約数ペア:

[(1, 30271720), (2, 15135860), (4, 7567930), (5, 6054344), (8, 3783965), (10, 3027172), (20, 1513586), (40, 756793), (59, 513080), (101, 299720), (118, 256540), (127, 238360), (202, 149860), (236, 128270), (254, 119180), (295, 102616), (404, 74930), (472, 64135), (505, 59944), (508, 59590), (590, 51308), (635, 47672), (808, 37465), (1010, 29972), (1016, 29795), (1180, 25654), (1270, 23836), (2020, 14986), (2360, 12827), (2540, 11918), (4040, 7493), (5080, 5959)]