81180180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{743}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 246984192

約数和(自身を除く): 165804012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 607, 743, 1214, 1486, 1821, 2229, 2428, 2972, 3035, 3642, 3715, 4458, 5463, 6070, 6687, 7284, 7430, 8916, 9105, 10926, 11145, 12140, 13374, 14860, 18210, 21852, 22290, 26748, 27315, 33435, 36420, 44580, 54630, 66870, 109260, 133740, 451001, 902002, 1353003, 1804004, 2255005, 2706006, 4059009, 4510010, 5412012, 6765015, 8118018, 9020020, 13530030, 16236036, 20295045, 27060060, 40590090, 81180180]

約数ペア:

[(1, 81180180), (2, 40590090), (3, 27060060), (4, 20295045), (5, 16236036), (6, 13530030), (9, 9020020), (10, 8118018), (12, 6765015), (15, 5412012), (18, 4510010), (20, 4059009), (30, 2706006), (36, 2255005), (45, 1804004), (60, 1353003), (90, 902002), (180, 451001), (607, 133740), (743, 109260), (1214, 66870), (1486, 54630), (1821, 44580), (2229, 36420), (2428, 33435), (2972, 27315), (3035, 26748), (3642, 22290), (3715, 21852), (4458, 18210), (5463, 14860), (6070, 13374), (6687, 12140), (7284, 11145), (7430, 10926), (8916, 9105)]