81784224

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1642

約数の個数: 72

約数和(自身を含む): 233906400

約数和(自身を除く): 152122176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 398, 597, 796, 1194, 1427, 1592, 1791, 2388, 2854, 3184, 3582, 4281, 4776, 5708, 6368, 7164, 8562, 9552, 11416, 12843, 14328, 17124, 19104, 22832, 25686, 28656, 34248, 45664, 51372, 57312, 68496, 102744, 136992, 205488, 283973, 410976, 567946, 851919, 1135892, 1703838, 2271784, 2555757, 3407676, 4543568, 5111514, 6815352, 9087136, 10223028, 13630704, 20446056, 27261408, 40892112, 81784224]

約数ペア:

[(1, 81784224), (2, 40892112), (3, 27261408), (4, 20446056), (6, 13630704), (8, 10223028), (9, 9087136), (12, 6815352), (16, 5111514), (18, 4543568), (24, 3407676), (32, 2555757), (36, 2271784), (48, 1703838), (72, 1135892), (96, 851919), (144, 567946), (199, 410976), (288, 283973), (398, 205488), (597, 136992), (796, 102744), (1194, 68496), (1427, 57312), (1592, 51372), (1791, 45664), (2388, 34248), (2854, 28656), (3184, 25686), (3582, 22832), (4281, 19104), (4776, 17124), (5708, 14328), (6368, 12843), (7164, 11416), (8562, 9552)]