81934160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 243412992

約数和(自身を除く): 161478832

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 220, 235, 280, 283, 308, 329, 376, 385, 440, 470, 517, 560, 566, 616, 658, 752, 770, 880, 940, 1034, 1132, 1232, 1316, 1415, 1540, 1645, 1880, 1981, 2068, 2264, 2585, 2632, 2830, 3080, 3113, 3290, 3619, 3760, 3962, 4136, 4528, 5170, 5264, 5660, 6160, 6226, 6580, 7238, 7924, 8272, 9905, 10340, 11320, 12452, 13160, 13301, 14476, 15565, 15848, 18095, 19810, 20680, 21791, 22640, 24904, 26320, 26602, 28952, 31130, 31696, 36190, 39620, 41360, 43582, 49808, 53204, 57904, 62260, 66505, 72380, 79240, 87164, 93107, 106408, 108955, 124520, 133010, 144760, 146311, 158480, 174328, 186214, 212816, 217910, 249040, 266020, 289520, 292622, 348656, 372428, 435820, 465535, 532040, 585244, 731555, 744856, 871640, 931070, 1024177, 1064080, 1170488, 1463110, 1489712, 1743280, 1862140, 2048354, 2340976, 2926220, 3724280, 4096708, 5120885, 5852440, 7448560, 8193416, 10241770, 11704880, 16386832, 20483540, 40967080, 81934160]

約数ペア:

[(1, 81934160), (2, 40967080), (4, 20483540), (5, 16386832), (7, 11704880), (8, 10241770), (10, 8193416), (11, 7448560), (14, 5852440), (16, 5120885), (20, 4096708), (22, 3724280), (28, 2926220), (35, 2340976), (40, 2048354), (44, 1862140), (47, 1743280), (55, 1489712), (56, 1463110), (70, 1170488), (77, 1064080), (80, 1024177), (88, 931070), (94, 871640), (110, 744856), (112, 731555), (140, 585244), (154, 532040), (176, 465535), (188, 435820), (220, 372428), (235, 348656), (280, 292622), (283, 289520), (308, 266020), (329, 249040), (376, 217910), (385, 212816), (440, 186214), (470, 174328), (517, 158480), (560, 146311), (566, 144760), (616, 133010), (658, 124520), (752, 108955), (770, 106408), (880, 93107), (940, 87164), (1034, 79240), (1132, 72380), (1232, 66505), (1316, 62260), (1415, 57904), (1540, 53204), (1645, 49808), (1880, 43582), (1981, 41360), (2068, 39620), (2264, 36190), (2585, 31696), (2632, 31130), (2830, 28952), (3080, 26602), (3113, 26320), (3290, 24904), (3619, 22640), (3760, 21791), (3962, 20680), (4136, 19810), (4528, 18095), (5170, 15848), (5264, 15565), (5660, 14476), (6160, 13301), (6226, 13160), (6580, 12452), (7238, 11320), (7924, 10340), (8272, 9905)]