8181180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 29213184

約数和(自身を除く): 21032004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 151, 172, 180, 210, 215, 252, 258, 301, 302, 315, 387, 420, 430, 453, 516, 602, 604, 630, 645, 755, 774, 860, 903, 906, 1057, 1204, 1260, 1290, 1359, 1505, 1510, 1548, 1806, 1812, 1935, 2114, 2265, 2580, 2709, 2718, 3010, 3020, 3171, 3612, 3870, 4228, 4515, 4530, 5285, 5418, 5436, 6020, 6342, 6493, 6795, 7740, 9030, 9060, 9513, 10570, 10836, 12684, 12986, 13545, 13590, 15855, 18060, 19026, 19479, 21140, 25972, 27090, 27180, 31710, 32465, 38052, 38958, 45451, 47565, 54180, 58437, 63420, 64930, 77916, 90902, 95130, 97395, 116874, 129860, 136353, 181804, 190260, 194790, 227255, 233748, 272706, 292185, 389580, 409059, 454510, 545412, 584370, 681765, 818118, 909020, 1168740, 1363530, 1636236, 2045295, 2727060, 4090590, 8181180]

約数ペア:

[(1, 8181180), (2, 4090590), (3, 2727060), (4, 2045295), (5, 1636236), (6, 1363530), (7, 1168740), (9, 909020), (10, 818118), (12, 681765), (14, 584370), (15, 545412), (18, 454510), (20, 409059), (21, 389580), (28, 292185), (30, 272706), (35, 233748), (36, 227255), (42, 194790), (43, 190260), (45, 181804), (60, 136353), (63, 129860), (70, 116874), (84, 97395), (86, 95130), (90, 90902), (105, 77916), (126, 64930), (129, 63420), (140, 58437), (151, 54180), (172, 47565), (180, 45451), (210, 38958), (215, 38052), (252, 32465), (258, 31710), (301, 27180), (302, 27090), (315, 25972), (387, 21140), (420, 19479), (430, 19026), (453, 18060), (516, 15855), (602, 13590), (604, 13545), (630, 12986), (645, 12684), (755, 10836), (774, 10570), (860, 9513), (903, 9060), (906, 9030), (1057, 7740), (1204, 6795), (1260, 6493), (1290, 6342), (1359, 6020), (1505, 5436), (1510, 5418), (1548, 5285), (1806, 4530), (1812, 4515), (1935, 4228), (2114, 3870), (2265, 3612), (2580, 3171), (2709, 3020), (2718, 3010)]