81129648

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1786

約数の個数: 80

約数和(自身を含む): 223914240

約数和(自身を除く): 142784592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 516, 552, 688, 989, 1032, 1104, 1709, 1978, 2064, 2967, 3418, 3956, 5127, 5934, 6836, 7912, 10254, 11868, 13672, 15824, 20508, 23736, 27344, 39307, 41016, 47472, 73487, 78614, 82032, 117921, 146974, 157228, 220461, 235842, 293948, 314456, 440922, 471684, 587896, 628912, 881844, 943368, 1175792, 1690201, 1763688, 1886736, 3380402, 3527376, 5070603, 6760804, 10141206, 13521608, 20282412, 27043216, 40564824, 81129648]

約数ペア:

[(1, 81129648), (2, 40564824), (3, 27043216), (4, 20282412), (6, 13521608), (8, 10141206), (12, 6760804), (16, 5070603), (23, 3527376), (24, 3380402), (43, 1886736), (46, 1763688), (48, 1690201), (69, 1175792), (86, 943368), (92, 881844), (129, 628912), (138, 587896), (172, 471684), (184, 440922), (258, 314456), (276, 293948), (344, 235842), (368, 220461), (516, 157228), (552, 146974), (688, 117921), (989, 82032), (1032, 78614), (1104, 73487), (1709, 47472), (1978, 41016), (2064, 39307), (2967, 27344), (3418, 23736), (3956, 20508), (5127, 15824), (5934, 13672), (6836, 11868), (7912, 10254)]