264967720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1213}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 615352320

約数和(自身を除く): 350384600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1213, 1270, 1720, 2426, 2540, 4852, 5080, 5461, 6065, 9704, 10922, 12130, 21844, 24260, 27305, 43688, 48520, 52159, 54610, 104318, 109220, 154051, 208636, 218440, 260795, 308102, 417272, 521590, 616204, 770255, 1043180, 1232408, 1540510, 2086360, 3081020, 6162040, 6624193, 13248386, 26496772, 33120965, 52993544, 66241930, 132483860, 264967720]

約数ペア:

[(1, 264967720), (2, 132483860), (4, 66241930), (5, 52993544), (8, 33120965), (10, 26496772), (20, 13248386), (40, 6624193), (43, 6162040), (86, 3081020), (127, 2086360), (172, 1540510), (215, 1232408), (254, 1043180), (344, 770255), (430, 616204), (508, 521590), (635, 417272), (860, 308102), (1016, 260795), (1213, 218440), (1270, 208636), (1720, 154051), (2426, 109220), (2540, 104318), (4852, 54610), (5080, 52159), (5461, 48520), (6065, 43688), (9704, 27305), (10922, 24260), (12130, 21844)]