42128240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1015

約数の個数: 120

約数和(自身を含む): 124425072

約数和(自身を除く): 82296832

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 977, 980, 1078, 1232, 1540, 1954, 1960, 2156, 2695, 3080, 3908, 3920, 4312, 4885, 5390, 6160, 6839, 7816, 8624, 9770, 10747, 10780, 13678, 15632, 19540, 21494, 21560, 27356, 34195, 39080, 42988, 43120, 47873, 53735, 54712, 68390, 75229, 78160, 85976, 95746, 107470, 109424, 136780, 150458, 171952, 191492, 214940, 239365, 273560, 300916, 376145, 382984, 429880, 478730, 526603, 547120, 601832, 752290, 765968, 859760, 957460, 1053206, 1203664, 1504580, 1914920, 2106412, 2633015, 3009160, 3829840, 4212824, 5266030, 6018320, 8425648, 10532060, 21064120, 42128240]

約数ペア:

[(1, 42128240), (2, 21064120), (4, 10532060), (5, 8425648), (7, 6018320), (8, 5266030), (10, 4212824), (11, 3829840), (14, 3009160), (16, 2633015), (20, 2106412), (22, 1914920), (28, 1504580), (35, 1203664), (40, 1053206), (44, 957460), (49, 859760), (55, 765968), (56, 752290), (70, 601832), (77, 547120), (80, 526603), (88, 478730), (98, 429880), (110, 382984), (112, 376145), (140, 300916), (154, 273560), (176, 239365), (196, 214940), (220, 191492), (245, 171952), (280, 150458), (308, 136780), (385, 109424), (392, 107470), (440, 95746), (490, 85976), (539, 78160), (560, 75229), (616, 68390), (770, 54712), (784, 53735), (880, 47873), (977, 43120), (980, 42988), (1078, 39080), (1232, 34195), (1540, 27356), (1954, 21560), (1960, 21494), (2156, 19540), (2695, 15632), (3080, 13678), (3908, 10780), (3920, 10747), (4312, 9770), (4885, 8624), (5390, 7816), (6160, 6839)]