71520720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9613}}^1$

素因数の和:9660

約数の個数: 80

約数和(自身を含む): 228890112

約数和(自身を除く): 157369392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 9613, 19226, 28839, 38452, 48065, 57678, 76904, 96130, 115356, 144195, 153808, 192260, 230712, 288390, 298003, 384520, 461424, 576780, 596006, 769040, 894009, 1153560, 1192012, 1490015, 1788018, 2307120, 2384024, 2980030, 3576036, 4470045, 4768048, 5960060, 7152072, 8940090, 11920120, 14304144, 17880180, 23840240, 35760360, 71520720]

約数ペア:

[(1, 71520720), (2, 35760360), (3, 23840240), (4, 17880180), (5, 14304144), (6, 11920120), (8, 8940090), (10, 7152072), (12, 5960060), (15, 4768048), (16, 4470045), (20, 3576036), (24, 2980030), (30, 2384024), (31, 2307120), (40, 1788018), (48, 1490015), (60, 1192012), (62, 1153560), (80, 894009), (93, 769040), (120, 596006), (124, 576780), (155, 461424), (186, 384520), (240, 298003), (248, 288390), (310, 230712), (372, 192260), (465, 153808), (496, 144195), (620, 115356), (744, 96130), (930, 76904), (1240, 57678), (1488, 48065), (1860, 38452), (2480, 28839), (3720, 19226), (7440, 9613)]