68280720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 212611392

約数和(自身を除く): 144330672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 293, 586, 879, 971, 1172, 1465, 1758, 1942, 2344, 2913, 2930, 3516, 3884, 4395, 4688, 4855, 5826, 5860, 7032, 7768, 8790, 9710, 11652, 11720, 14064, 14565, 15536, 17580, 19420, 23304, 23440, 29130, 35160, 38840, 46608, 58260, 70320, 77680, 116520, 233040, 284503, 569006, 853509, 1138012, 1422515, 1707018, 2276024, 2845030, 3414036, 4267545, 4552048, 5690060, 6828072, 8535090, 11380120, 13656144, 17070180, 22760240, 34140360, 68280720]

約数ペア:

[(1, 68280720), (2, 34140360), (3, 22760240), (4, 17070180), (5, 13656144), (6, 11380120), (8, 8535090), (10, 6828072), (12, 5690060), (15, 4552048), (16, 4267545), (20, 3414036), (24, 2845030), (30, 2276024), (40, 1707018), (48, 1422515), (60, 1138012), (80, 853509), (120, 569006), (240, 284503), (293, 233040), (586, 116520), (879, 77680), (971, 70320), (1172, 58260), (1465, 46608), (1758, 38840), (1942, 35160), (2344, 29130), (2913, 23440), (2930, 23304), (3516, 19420), (3884, 17580), (4395, 15536), (4688, 14565), (4855, 14064), (5826, 11720), (5860, 11652), (7032, 9710), (7768, 8790)]