42490770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 123420672

約数和(自身を除く): 80929902

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 61, 62, 70, 93, 105, 107, 122, 155, 183, 186, 210, 214, 217, 305, 310, 321, 366, 427, 434, 465, 535, 610, 642, 651, 749, 854, 915, 930, 1070, 1085, 1281, 1302, 1498, 1605, 1830, 1891, 2135, 2170, 2247, 2562, 3210, 3255, 3317, 3745, 3782, 4270, 4494, 5673, 6405, 6510, 6527, 6634, 7490, 9455, 9951, 11235, 11346, 12810, 13054, 13237, 16585, 18910, 19581, 19902, 22470, 23219, 26474, 28365, 32635, 33170, 39162, 39711, 45689, 46438, 49755, 56730, 65270, 66185, 69657, 79422, 91378, 97905, 99510, 116095, 132370, 137067, 139314, 195810, 198555, 202337, 228445, 232190, 274134, 348285, 397110, 404674, 456890, 607011, 685335, 696570, 1011685, 1214022, 1370670, 1416359, 2023370, 2832718, 3035055, 4249077, 6070110, 7081795, 8498154, 14163590, 21245385, 42490770]

約数ペア:

[(1, 42490770), (2, 21245385), (3, 14163590), (5, 8498154), (6, 7081795), (7, 6070110), (10, 4249077), (14, 3035055), (15, 2832718), (21, 2023370), (30, 1416359), (31, 1370670), (35, 1214022), (42, 1011685), (61, 696570), (62, 685335), (70, 607011), (93, 456890), (105, 404674), (107, 397110), (122, 348285), (155, 274134), (183, 232190), (186, 228445), (210, 202337), (214, 198555), (217, 195810), (305, 139314), (310, 137067), (321, 132370), (366, 116095), (427, 99510), (434, 97905), (465, 91378), (535, 79422), (610, 69657), (642, 66185), (651, 65270), (749, 56730), (854, 49755), (915, 46438), (930, 45689), (1070, 39711), (1085, 39162), (1281, 33170), (1302, 32635), (1498, 28365), (1605, 26474), (1830, 23219), (1891, 22470), (2135, 19902), (2170, 19581), (2247, 18910), (2562, 16585), (3210, 13237), (3255, 13054), (3317, 12810), (3745, 11346), (3782, 11235), (4270, 9951), (4494, 9455), (5673, 7490), (6405, 6634), (6510, 6527)]