128670444

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{18911}}^1$

素因数の和:18937

約数の個数: 72

約数和(自身を含む): 385502208

約数和(自身を除く): 256831764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 18911, 37822, 56733, 75644, 113466, 132377, 170199, 226932, 264754, 340398, 397131, 510597, 529508, 680796, 794262, 1021194, 1191393, 1531791, 1588524, 2042388, 2382786, 3063582, 3574179, 4595373, 4765572, 6127164, 7148358, 9190746, 10722537, 14296716, 18381492, 21445074, 32167611, 42890148, 64335222, 128670444]

約数ペア:

[(1, 128670444), (2, 64335222), (3, 42890148), (4, 32167611), (6, 21445074), (7, 18381492), (9, 14296716), (12, 10722537), (14, 9190746), (18, 7148358), (21, 6127164), (27, 4765572), (28, 4595373), (36, 3574179), (42, 3063582), (54, 2382786), (63, 2042388), (81, 1588524), (84, 1531791), (108, 1191393), (126, 1021194), (162, 794262), (189, 680796), (243, 529508), (252, 510597), (324, 397131), (378, 340398), (486, 264754), (567, 226932), (756, 170199), (972, 132377), (1134, 113466), (1701, 75644), (2268, 56733), (3402, 37822), (6804, 18911)]