129295880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1239

約数の個数: 128

約数和(自身を含む): 367649280

約数和(自身を除く): 238353400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 391, 460, 476, 595, 644, 680, 782, 805, 920, 952, 1181, 1190, 1288, 1564, 1610, 1955, 2362, 2380, 2737, 3128, 3220, 3910, 4724, 4760, 5474, 5905, 6440, 7820, 8267, 9448, 10948, 11810, 13685, 15640, 16534, 20077, 21896, 23620, 27163, 27370, 33068, 40154, 41335, 47240, 54326, 54740, 66136, 80308, 82670, 100385, 108652, 109480, 135815, 140539, 160616, 165340, 190141, 200770, 217304, 271630, 281078, 330680, 380282, 401540, 461771, 543260, 562156, 702695, 760564, 803080, 923542, 950705, 1086520, 1124312, 1405390, 1521128, 1847084, 1901410, 2308855, 2810780, 3232397, 3694168, 3802820, 4617710, 5621560, 6464794, 7605640, 9235420, 12929588, 16161985, 18470840, 25859176, 32323970, 64647940, 129295880]

約数ペア:

[(1, 129295880), (2, 64647940), (4, 32323970), (5, 25859176), (7, 18470840), (8, 16161985), (10, 12929588), (14, 9235420), (17, 7605640), (20, 6464794), (23, 5621560), (28, 4617710), (34, 3802820), (35, 3694168), (40, 3232397), (46, 2810780), (56, 2308855), (68, 1901410), (70, 1847084), (85, 1521128), (92, 1405390), (115, 1124312), (119, 1086520), (136, 950705), (140, 923542), (161, 803080), (170, 760564), (184, 702695), (230, 562156), (238, 543260), (280, 461771), (322, 401540), (340, 380282), (391, 330680), (460, 281078), (476, 271630), (595, 217304), (644, 200770), (680, 190141), (782, 165340), (805, 160616), (920, 140539), (952, 135815), (1181, 109480), (1190, 108652), (1288, 100385), (1564, 82670), (1610, 80308), (1955, 66136), (2362, 54740), (2380, 54326), (2737, 47240), (3128, 41335), (3220, 40154), (3910, 33068), (4724, 27370), (4760, 27163), (5474, 23620), (5905, 21896), (6440, 20077), (7820, 16534), (8267, 15640), (9448, 13685), (10948, 11810)]