72189320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{829}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 186451200

約数和(自身を除く): 114261880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 622, 829, 1244, 1555, 1658, 2177, 2488, 3110, 3316, 4145, 4354, 5803, 6220, 6632, 8290, 8708, 10885, 11606, 12440, 16580, 17416, 21770, 23212, 29015, 33160, 43540, 46424, 58030, 87080, 116060, 232120, 257819, 515638, 1031276, 1289095, 1804733, 2062552, 2578190, 3609466, 5156380, 7218932, 9023665, 10312760, 14437864, 18047330, 36094660, 72189320]

約数ペア:

[(1, 72189320), (2, 36094660), (4, 18047330), (5, 14437864), (7, 10312760), (8, 9023665), (10, 7218932), (14, 5156380), (20, 3609466), (28, 2578190), (35, 2062552), (40, 1804733), (56, 1289095), (70, 1031276), (140, 515638), (280, 257819), (311, 232120), (622, 116060), (829, 87080), (1244, 58030), (1555, 46424), (1658, 43540), (2177, 33160), (2488, 29015), (3110, 23212), (3316, 21770), (4145, 17416), (4354, 16580), (5803, 12440), (6220, 11606), (6632, 10885), (8290, 8708)]