30642920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9949}}^1$

素因数の和:9978

約数の個数: 64

約数和(自身を含む): 85968000

約数和(自身を除く): 55325080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9949, 19898, 39796, 49745, 69643, 79592, 99490, 109439, 139286, 198980, 218878, 278572, 348215, 397960, 437756, 547195, 557144, 696430, 766073, 875512, 1094390, 1392860, 1532146, 2188780, 2785720, 3064292, 3830365, 4377560, 6128584, 7660730, 15321460, 30642920]

約数ペア:

[(1, 30642920), (2, 15321460), (4, 7660730), (5, 6128584), (7, 4377560), (8, 3830365), (10, 3064292), (11, 2785720), (14, 2188780), (20, 1532146), (22, 1392860), (28, 1094390), (35, 875512), (40, 766073), (44, 696430), (55, 557144), (56, 547195), (70, 437756), (77, 397960), (88, 348215), (110, 278572), (140, 218878), (154, 198980), (220, 139286), (280, 109439), (308, 99490), (385, 79592), (440, 69643), (616, 49745), (770, 39796), (1540, 19898), (3080, 9949)]