1281131376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131479}}^1$

素因数の和:131526

約数の個数: 80

約数和(自身を含む): 3912844800

約数和(自身を除く): 2631713424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 56, 58, 84, 87, 112, 116, 168, 174, 203, 232, 336, 348, 406, 464, 609, 696, 812, 1218, 1392, 1624, 2436, 3248, 4872, 9744, 131479, 262958, 394437, 525916, 788874, 920353, 1051832, 1577748, 1840706, 2103664, 2761059, 3155496, 3681412, 3812891, 5522118, 6310992, 7362824, 7625782, 11044236, 11438673, 14725648, 15251564, 22088472, 22877346, 26690237, 30503128, 44176944, 45754692, 53380474, 61006256, 80070711, 91509384, 106760948, 160141422, 183018768, 213521896, 320282844, 427043792, 640565688, 1281131376]

約数ペア:

[(1, 1281131376), (2, 640565688), (3, 427043792), (4, 320282844), (6, 213521896), (7, 183018768), (8, 160141422), (12, 106760948), (14, 91509384), (16, 80070711), (21, 61006256), (24, 53380474), (28, 45754692), (29, 44176944), (42, 30503128), (48, 26690237), (56, 22877346), (58, 22088472), (84, 15251564), (87, 14725648), (112, 11438673), (116, 11044236), (168, 7625782), (174, 7362824), (203, 6310992), (232, 5522118), (336, 3812891), (348, 3681412), (406, 3155496), (464, 2761059), (609, 2103664), (696, 1840706), (812, 1577748), (1218, 1051832), (1392, 920353), (1624, 788874), (2436, 525916), (3248, 394437), (4872, 262958), (9744, 131479)]