81640224

素因数分解:

$2^5\times 3^5\times {\mathrm{10499}}^1$

素因数の和:10524

約数の個数: 72

約数和(自身を含む): 240786000

約数和(自身を除く): 159145776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 3888, 7776, 10499, 20998, 31497, 41996, 62994, 83992, 94491, 125988, 167984, 188982, 251976, 283473, 335968, 377964, 503952, 566946, 755928, 850419, 1007904, 1133892, 1511856, 1700838, 2267784, 2551257, 3023712, 3401676, 4535568, 5102514, 6803352, 9071136, 10205028, 13606704, 20410056, 27213408, 40820112, 81640224]

約数ペア:

[(1, 81640224), (2, 40820112), (3, 27213408), (4, 20410056), (6, 13606704), (8, 10205028), (9, 9071136), (12, 6803352), (16, 5102514), (18, 4535568), (24, 3401676), (27, 3023712), (32, 2551257), (36, 2267784), (48, 1700838), (54, 1511856), (72, 1133892), (81, 1007904), (96, 850419), (108, 755928), (144, 566946), (162, 503952), (216, 377964), (243, 335968), (288, 283473), (324, 251976), (432, 188982), (486, 167984), (648, 125988), (864, 94491), (972, 83992), (1296, 62994), (1944, 41996), (2592, 31497), (3888, 20998), (7776, 10499)]