131031180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103993}}^1$

素因数の和:104015

約数の個数: 72

約数和(自身を含む): 454245792

約数和(自身を除く): 323214612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 103993, 207986, 311979, 415972, 519965, 623958, 727951, 935937, 1039930, 1247916, 1455902, 1559895, 1871874, 2079860, 2183853, 2911804, 3119790, 3639755, 3743748, 4367706, 4679685, 6239580, 6551559, 7279510, 8735412, 9359370, 10919265, 13103118, 14559020, 18718740, 21838530, 26206236, 32757795, 43677060, 65515590, 131031180]

約数ペア:

[(1, 131031180), (2, 65515590), (3, 43677060), (4, 32757795), (5, 26206236), (6, 21838530), (7, 18718740), (9, 14559020), (10, 13103118), (12, 10919265), (14, 9359370), (15, 8735412), (18, 7279510), (20, 6551559), (21, 6239580), (28, 4679685), (30, 4367706), (35, 3743748), (36, 3639755), (42, 3119790), (45, 2911804), (60, 2183853), (63, 2079860), (70, 1871874), (84, 1559895), (90, 1455902), (105, 1247916), (126, 1039930), (140, 935937), (180, 727951), (210, 623958), (252, 519965), (315, 415972), (420, 311979), (630, 207986), (1260, 103993)]