131220612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 108

約数和(自身を含む): 366125760

約数和(自身を除く): 234905148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 361, 414, 437, 439, 684, 722, 828, 874, 878, 1083, 1311, 1317, 1444, 1748, 1756, 2166, 2622, 2634, 3249, 3933, 3951, 4332, 5244, 5268, 6498, 7866, 7902, 8303, 8341, 10097, 12996, 15732, 15804, 16606, 16682, 20194, 24909, 25023, 30291, 33212, 33364, 40388, 49818, 50046, 60582, 74727, 75069, 90873, 99636, 100092, 121164, 149454, 150138, 158479, 181746, 191843, 298908, 300276, 316958, 363492, 383686, 475437, 575529, 633916, 767372, 950874, 1151058, 1426311, 1726587, 1901748, 2302116, 2852622, 3453174, 3645017, 5705244, 6906348, 7290034, 10935051, 14580068, 21870102, 32805153, 43740204, 65610306, 131220612]

約数ペア:

[(1, 131220612), (2, 65610306), (3, 43740204), (4, 32805153), (6, 21870102), (9, 14580068), (12, 10935051), (18, 7290034), (19, 6906348), (23, 5705244), (36, 3645017), (38, 3453174), (46, 2852622), (57, 2302116), (69, 1901748), (76, 1726587), (92, 1426311), (114, 1151058), (138, 950874), (171, 767372), (207, 633916), (228, 575529), (276, 475437), (342, 383686), (361, 363492), (414, 316958), (437, 300276), (439, 298908), (684, 191843), (722, 181746), (828, 158479), (874, 150138), (878, 149454), (1083, 121164), (1311, 100092), (1317, 99636), (1444, 90873), (1748, 75069), (1756, 74727), (2166, 60582), (2622, 50046), (2634, 49818), (3249, 40388), (3933, 33364), (3951, 33212), (4332, 30291), (5244, 25023), (5268, 24909), (6498, 20194), (7866, 16682), (7902, 16606), (8303, 15804), (8341, 15732), (10097, 12996)]