81815328

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{40583}}^1$

素因数の和:40606

約数の個数: 72

約数和(自身を含む): 265906368

約数和(自身を除く): 184091040

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 40583, 81166, 121749, 162332, 243498, 284081, 324664, 365247, 486996, 568162, 649328, 730494, 852243, 973992, 1136324, 1298656, 1460988, 1704486, 1947984, 2272648, 2556729, 2921976, 3408972, 3895968, 4545296, 5113458, 5843952, 6817944, 9090592, 10226916, 11687904, 13635888, 20453832, 27271776, 40907664, 81815328]

約数ペア:

[(1, 81815328), (2, 40907664), (3, 27271776), (4, 20453832), (6, 13635888), (7, 11687904), (8, 10226916), (9, 9090592), (12, 6817944), (14, 5843952), (16, 5113458), (18, 4545296), (21, 3895968), (24, 3408972), (28, 2921976), (32, 2556729), (36, 2272648), (42, 1947984), (48, 1704486), (56, 1460988), (63, 1298656), (72, 1136324), (84, 973992), (96, 852243), (112, 730494), (126, 649328), (144, 568162), (168, 486996), (224, 365247), (252, 324664), (288, 284081), (336, 243498), (504, 162332), (672, 121749), (1008, 81166), (2016, 40583)]