81906981984

素因数分解:

$2^5\times 3^2\times {\mathrm{2719}}^1\times {\mathrm{104597}}^1$

素因数の和:107332

約数の個数: 72

約数和(自身を含む): 233010872640

約数和(自身を除く): 151103890656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2719, 5438, 8157, 10876, 16314, 21752, 24471, 32628, 43504, 48942, 65256, 87008, 97884, 104597, 130512, 195768, 209194, 261024, 313791, 391536, 418388, 627582, 783072, 836776, 941373, 1255164, 1673552, 1882746, 2510328, 3347104, 3765492, 5020656, 7530984, 10041312, 15061968, 30123936, 284399243, 568798486, 853197729, 1137596972, 1706395458, 2275193944, 2559593187, 3412790916, 4550387888, 5119186374, 6825581832, 9100775776, 10238372748, 13651163664, 20476745496, 27302327328, 40953490992, 81906981984]

約数ペア:

[(1, 81906981984), (2, 40953490992), (3, 27302327328), (4, 20476745496), (6, 13651163664), (8, 10238372748), (9, 9100775776), (12, 6825581832), (16, 5119186374), (18, 4550387888), (24, 3412790916), (32, 2559593187), (36, 2275193944), (48, 1706395458), (72, 1137596972), (96, 853197729), (144, 568798486), (288, 284399243), (2719, 30123936), (5438, 15061968), (8157, 10041312), (10876, 7530984), (16314, 5020656), (21752, 3765492), (24471, 3347104), (32628, 2510328), (43504, 1882746), (48942, 1673552), (65256, 1255164), (87008, 941373), (97884, 836776), (104597, 783072), (130512, 627582), (195768, 418388), (209194, 391536), (261024, 313791)]