210086820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27143}}^1$

素因数の和:27201

約数の個数: 72

約数和(自身を含む): 652107456

約数和(自身を除く): 442020636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 27143, 54286, 81429, 108572, 135715, 162858, 244287, 271430, 325716, 407145, 488574, 542860, 814290, 977148, 1167149, 1221435, 1628580, 2334298, 2442870, 3501447, 4668596, 4885740, 5835745, 7002894, 10504341, 11671490, 14005788, 17507235, 21008682, 23342980, 35014470, 42017364, 52521705, 70028940, 105043410, 210086820]

約数ペア:

[(1, 210086820), (2, 105043410), (3, 70028940), (4, 52521705), (5, 42017364), (6, 35014470), (9, 23342980), (10, 21008682), (12, 17507235), (15, 14005788), (18, 11671490), (20, 10504341), (30, 7002894), (36, 5835745), (43, 4885740), (45, 4668596), (60, 3501447), (86, 2442870), (90, 2334298), (129, 1628580), (172, 1221435), (180, 1167149), (215, 977148), (258, 814290), (387, 542860), (430, 488574), (516, 407145), (645, 325716), (774, 271430), (860, 244287), (1290, 162858), (1548, 135715), (1935, 108572), (2580, 81429), (3870, 54286), (7740, 27143)]