30764720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 82548288

約数和(自身を除く): 51783568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 401, 548, 560, 685, 802, 959, 1096, 1370, 1604, 1918, 2005, 2192, 2740, 2807, 3208, 3836, 4010, 4795, 5480, 5614, 6416, 7672, 8020, 9590, 10960, 11228, 14035, 15344, 16040, 19180, 22456, 28070, 32080, 38360, 44912, 54937, 56140, 76720, 109874, 112280, 219748, 224560, 274685, 384559, 439496, 549370, 769118, 878992, 1098740, 1538236, 1922795, 2197480, 3076472, 3845590, 4394960, 6152944, 7691180, 15382360, 30764720]

約数ペア:

[(1, 30764720), (2, 15382360), (4, 7691180), (5, 6152944), (7, 4394960), (8, 3845590), (10, 3076472), (14, 2197480), (16, 1922795), (20, 1538236), (28, 1098740), (35, 878992), (40, 769118), (56, 549370), (70, 439496), (80, 384559), (112, 274685), (137, 224560), (140, 219748), (274, 112280), (280, 109874), (401, 76720), (548, 56140), (560, 54937), (685, 44912), (802, 38360), (959, 32080), (1096, 28070), (1370, 22456), (1604, 19180), (1918, 16040), (2005, 15344), (2192, 14035), (2740, 11228), (2807, 10960), (3208, 9590), (3836, 8020), (4010, 7672), (4795, 6416), (5480, 5614)]