81905184

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16729}}^1$

素因数の和:16762

約数の個数: 72

約数和(自身を含む): 246633660

約数和(自身を除く): 164728476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4896, 16729, 33458, 50187, 66916, 100374, 133832, 150561, 200748, 267664, 284393, 301122, 401496, 535328, 568786, 602244, 802992, 853179, 1137572, 1204488, 1605984, 1706358, 2275144, 2408976, 2559537, 3412716, 4550288, 4817952, 5119074, 6825432, 9100576, 10238148, 13650864, 20476296, 27301728, 40952592, 81905184]

約数ペア:

[(1, 81905184), (2, 40952592), (3, 27301728), (4, 20476296), (6, 13650864), (8, 10238148), (9, 9100576), (12, 6825432), (16, 5119074), (17, 4817952), (18, 4550288), (24, 3412716), (32, 2559537), (34, 2408976), (36, 2275144), (48, 1706358), (51, 1605984), (68, 1204488), (72, 1137572), (96, 853179), (102, 802992), (136, 602244), (144, 568786), (153, 535328), (204, 401496), (272, 301122), (288, 284393), (306, 267664), (408, 200748), (544, 150561), (612, 133832), (816, 100374), (1224, 66916), (1632, 50187), (2448, 33458), (4896, 16729)]