81972324

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:839

約数の個数: 120

約数和(自身を含む): 250440960

約数和(自身を除く): 168468636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 188, 189, 252, 282, 324, 329, 378, 423, 564, 567, 658, 756, 769, 846, 987, 1134, 1269, 1316, 1538, 1692, 1974, 2268, 2307, 2538, 2961, 3076, 3807, 3948, 4614, 5076, 5383, 5922, 6921, 7614, 8883, 9228, 10766, 11844, 13842, 15228, 16149, 17766, 20763, 21532, 26649, 27684, 32298, 35532, 36143, 41526, 48447, 53298, 62289, 64596, 72286, 83052, 96894, 106596, 108429, 124578, 144572, 145341, 193788, 216858, 249156, 253001, 290682, 325287, 433716, 436023, 506002, 581364, 650574, 759003, 872046, 975861, 1012004, 1301148, 1518006, 1744092, 1951722, 2277009, 2927583, 3036012, 3903444, 4554018, 5855166, 6831027, 9108036, 11710332, 13662054, 20493081, 27324108, 40986162, 81972324]

約数ペア:

[(1, 81972324), (2, 40986162), (3, 27324108), (4, 20493081), (6, 13662054), (7, 11710332), (9, 9108036), (12, 6831027), (14, 5855166), (18, 4554018), (21, 3903444), (27, 3036012), (28, 2927583), (36, 2277009), (42, 1951722), (47, 1744092), (54, 1518006), (63, 1301148), (81, 1012004), (84, 975861), (94, 872046), (108, 759003), (126, 650574), (141, 581364), (162, 506002), (188, 436023), (189, 433716), (252, 325287), (282, 290682), (324, 253001), (329, 249156), (378, 216858), (423, 193788), (564, 145341), (567, 144572), (658, 124578), (756, 108429), (769, 106596), (846, 96894), (987, 83052), (1134, 72286), (1269, 64596), (1316, 62289), (1538, 53298), (1692, 48447), (1974, 41526), (2268, 36143), (2307, 35532), (2538, 32298), (2961, 27684), (3076, 26649), (3807, 21532), (3948, 20763), (4614, 17766), (5076, 16149), (5383, 15228), (5922, 13842), (6921, 11844), (7614, 10766), (8883, 9228)]