28755180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1493}}^1$

素因数の和:1615

約数の個数: 72

約数和(自身を含む): 88098192

約数和(自身を除く): 59343012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1493, 1605, 1926, 2140, 2986, 3210, 3852, 4479, 4815, 5972, 6420, 7465, 8958, 9630, 13437, 14930, 17916, 19260, 22395, 26874, 29860, 44790, 53748, 67185, 89580, 134370, 159751, 268740, 319502, 479253, 639004, 798755, 958506, 1437759, 1597510, 1917012, 2396265, 2875518, 3195020, 4792530, 5751036, 7188795, 9585060, 14377590, 28755180]

約数ペア:

[(1, 28755180), (2, 14377590), (3, 9585060), (4, 7188795), (5, 5751036), (6, 4792530), (9, 3195020), (10, 2875518), (12, 2396265), (15, 1917012), (18, 1597510), (20, 1437759), (30, 958506), (36, 798755), (45, 639004), (60, 479253), (90, 319502), (107, 268740), (180, 159751), (214, 134370), (321, 89580), (428, 67185), (535, 53748), (642, 44790), (963, 29860), (1070, 26874), (1284, 22395), (1493, 19260), (1605, 17916), (1926, 14930), (2140, 13437), (2986, 9630), (3210, 8958), (3852, 7465), (4479, 6420), (4815, 5972)]