128160180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2017}}^1$

素因数の和:2385

約数の個数: 72

約数和(自身を含む): 390047112

約数和(自身を除く): 261886932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1412, 1765, 2017, 2118, 3177, 3530, 4034, 4236, 5295, 6051, 6354, 7060, 8068, 10085, 10590, 12102, 12708, 15885, 18153, 20170, 21180, 24204, 30255, 31770, 36306, 40340, 60510, 63540, 72612, 90765, 121020, 181530, 363060, 712001, 1424002, 2136003, 2848004, 3560005, 4272006, 6408009, 7120010, 8544012, 10680015, 12816018, 14240020, 21360030, 25632036, 32040045, 42720060, 64080090, 128160180]

約数ペア:

[(1, 128160180), (2, 64080090), (3, 42720060), (4, 32040045), (5, 25632036), (6, 21360030), (9, 14240020), (10, 12816018), (12, 10680015), (15, 8544012), (18, 7120010), (20, 6408009), (30, 4272006), (36, 3560005), (45, 2848004), (60, 2136003), (90, 1424002), (180, 712001), (353, 363060), (706, 181530), (1059, 121020), (1412, 90765), (1765, 72612), (2017, 63540), (2118, 60510), (3177, 40340), (3530, 36306), (4034, 31770), (4236, 30255), (5295, 24204), (6051, 21180), (6354, 20170), (7060, 18153), (8068, 15885), (10085, 12708), (10590, 12102)]