81332784

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1939

約数の個数: 120

約数和(自身を含む): 255921120

約数和(自身を除く): 174588336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 36, 39, 46, 48, 52, 69, 72, 78, 92, 104, 117, 138, 144, 156, 184, 207, 208, 234, 276, 299, 312, 368, 414, 468, 552, 598, 624, 828, 897, 936, 1104, 1196, 1656, 1794, 1872, 1889, 2392, 2691, 3312, 3588, 3778, 4784, 5382, 5667, 7176, 7556, 10764, 11334, 14352, 15112, 17001, 21528, 22668, 24557, 30224, 34002, 43056, 43447, 45336, 49114, 68004, 73671, 86894, 90672, 98228, 130341, 136008, 147342, 173788, 196456, 221013, 260682, 272016, 294684, 347576, 391023, 392912, 442026, 521364, 564811, 589368, 695152, 782046, 884052, 1042728, 1129622, 1178736, 1564092, 1694433, 1768104, 2085456, 2259244, 3128184, 3388866, 3536208, 4518488, 5083299, 6256368, 6777732, 9036976, 10166598, 13555464, 20333196, 27110928, 40666392, 81332784]

約数ペア:

[(1, 81332784), (2, 40666392), (3, 27110928), (4, 20333196), (6, 13555464), (8, 10166598), (9, 9036976), (12, 6777732), (13, 6256368), (16, 5083299), (18, 4518488), (23, 3536208), (24, 3388866), (26, 3128184), (36, 2259244), (39, 2085456), (46, 1768104), (48, 1694433), (52, 1564092), (69, 1178736), (72, 1129622), (78, 1042728), (92, 884052), (104, 782046), (117, 695152), (138, 589368), (144, 564811), (156, 521364), (184, 442026), (207, 392912), (208, 391023), (234, 347576), (276, 294684), (299, 272016), (312, 260682), (368, 221013), (414, 196456), (468, 173788), (552, 147342), (598, 136008), (624, 130341), (828, 98228), (897, 90672), (936, 86894), (1104, 73671), (1196, 68004), (1656, 49114), (1794, 45336), (1872, 43447), (1889, 43056), (2392, 34002), (2691, 30224), (3312, 24557), (3588, 22668), (3778, 21528), (4784, 17001), (5382, 15112), (5667, 14352), (7176, 11334), (7556, 10764)]