138638640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11789}}^1$

素因数の和:11819

約数の個数: 120

約数和(自身を含む): 499990320

約数和(自身を除く): 361351680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 11789, 23578, 35367, 47156, 58945, 70734, 82523, 94312, 117890, 141468, 165046, 176835, 188624, 235780, 247569, 282936, 330092, 353670, 412615, 471560, 495138, 565872, 577661, 660184, 707340, 825230, 943120, 990276, 1155322, 1237845, 1320368, 1414680, 1650460, 1732983, 1980552, 2310644, 2475690, 2829360, 2888305, 3300920, 3465966, 3961104, 4621288, 4951380, 5776610, 6601840, 6931932, 8664915, 9242576, 9902760, 11553220, 13863864, 17329830, 19805520, 23106440, 27727728, 34659660, 46212880, 69319320, 138638640]

約数ペア:

[(1, 138638640), (2, 69319320), (3, 46212880), (4, 34659660), (5, 27727728), (6, 23106440), (7, 19805520), (8, 17329830), (10, 13863864), (12, 11553220), (14, 9902760), (15, 9242576), (16, 8664915), (20, 6931932), (21, 6601840), (24, 5776610), (28, 4951380), (30, 4621288), (35, 3961104), (40, 3465966), (42, 3300920), (48, 2888305), (49, 2829360), (56, 2475690), (60, 2310644), (70, 1980552), (80, 1732983), (84, 1650460), (98, 1414680), (105, 1320368), (112, 1237845), (120, 1155322), (140, 990276), (147, 943120), (168, 825230), (196, 707340), (210, 660184), (240, 577661), (245, 565872), (280, 495138), (294, 471560), (336, 412615), (392, 353670), (420, 330092), (490, 282936), (560, 247569), (588, 235780), (735, 188624), (784, 176835), (840, 165046), (980, 141468), (1176, 117890), (1470, 94312), (1680, 82523), (1960, 70734), (2352, 58945), (2940, 47156), (3920, 35367), (5880, 23578), (11760, 11789)]