81693072

素因数分解:

$2^4\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1429}}^1$

素因数の和:1840

約数の個数: 60

約数和(自身を含む): 229363420

約数和(自身を除く): 147670348

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 397, 794, 1191, 1429, 1588, 2382, 2858, 3176, 3573, 4287, 4764, 5716, 6352, 7146, 8574, 9528, 11432, 12861, 14292, 17148, 19056, 22864, 25722, 28584, 34296, 51444, 57168, 68592, 102888, 205776, 567313, 1134626, 1701939, 2269252, 3403878, 4538504, 5105817, 6807756, 9077008, 10211634, 13615512, 20423268, 27231024, 40846536, 81693072]

約数ペア:

[(1, 81693072), (2, 40846536), (3, 27231024), (4, 20423268), (6, 13615512), (8, 10211634), (9, 9077008), (12, 6807756), (16, 5105817), (18, 4538504), (24, 3403878), (36, 2269252), (48, 1701939), (72, 1134626), (144, 567313), (397, 205776), (794, 102888), (1191, 68592), (1429, 57168), (1588, 51444), (2382, 34296), (2858, 28584), (3176, 25722), (3573, 22864), (4287, 19056), (4764, 17148), (5716, 14292), (6352, 12861), (7146, 11432), (8574, 9528)]