131031320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10883}}^1$

素因数の和:10944

約数の個数: 64

約数和(自身を含む): 344805120

約数和(自身を除く): 213773800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 10883, 12040, 21766, 43532, 54415, 76181, 87064, 108830, 152362, 217660, 304724, 380905, 435320, 467969, 609448, 761810, 935938, 1523620, 1871876, 2339845, 3047240, 3275783, 3743752, 4679690, 6551566, 9359380, 13103132, 16378915, 18718760, 26206264, 32757830, 65515660, 131031320]

約数ペア:

[(1, 131031320), (2, 65515660), (4, 32757830), (5, 26206264), (7, 18718760), (8, 16378915), (10, 13103132), (14, 9359380), (20, 6551566), (28, 4679690), (35, 3743752), (40, 3275783), (43, 3047240), (56, 2339845), (70, 1871876), (86, 1523620), (140, 935938), (172, 761810), (215, 609448), (280, 467969), (301, 435320), (344, 380905), (430, 304724), (602, 217660), (860, 152362), (1204, 108830), (1505, 87064), (1720, 76181), (2408, 54415), (3010, 43532), (6020, 21766), (10883, 12040)]