9865980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 30466800

約数和(自身を除く): 20600820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 929, 1062, 1180, 1770, 1858, 2124, 2655, 2787, 3540, 3716, 4645, 5310, 5574, 8361, 9290, 10620, 11148, 13935, 16722, 18580, 27870, 33444, 41805, 54811, 55740, 83610, 109622, 164433, 167220, 219244, 274055, 328866, 493299, 548110, 657732, 822165, 986598, 1096220, 1644330, 1973196, 2466495, 3288660, 4932990, 9865980]

約数ペア:

[(1, 9865980), (2, 4932990), (3, 3288660), (4, 2466495), (5, 1973196), (6, 1644330), (9, 1096220), (10, 986598), (12, 822165), (15, 657732), (18, 548110), (20, 493299), (30, 328866), (36, 274055), (45, 219244), (59, 167220), (60, 164433), (90, 109622), (118, 83610), (177, 55740), (180, 54811), (236, 41805), (295, 33444), (354, 27870), (531, 18580), (590, 16722), (708, 13935), (885, 11148), (929, 10620), (1062, 9290), (1180, 8361), (1770, 5574), (1858, 5310), (2124, 4645), (2655, 3716), (2787, 3540)]