31123140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1241

約数の個数: 96

約数和(自身を含む): 95800320

約数和(自身を除く): 64677180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 138, 190, 228, 230, 276, 285, 345, 380, 437, 460, 570, 690, 874, 1140, 1187, 1311, 1380, 1748, 2185, 2374, 2622, 3561, 4370, 4748, 5244, 5935, 6555, 7122, 8740, 11870, 13110, 14244, 17805, 22553, 23740, 26220, 27301, 35610, 45106, 54602, 67659, 71220, 81903, 90212, 109204, 112765, 135318, 136505, 163806, 225530, 270636, 273010, 327612, 338295, 409515, 451060, 518719, 546020, 676590, 819030, 1037438, 1353180, 1556157, 1638060, 2074876, 2593595, 3112314, 5187190, 6224628, 7780785, 10374380, 15561570, 31123140]

約数ペア:

[(1, 31123140), (2, 15561570), (3, 10374380), (4, 7780785), (5, 6224628), (6, 5187190), (10, 3112314), (12, 2593595), (15, 2074876), (19, 1638060), (20, 1556157), (23, 1353180), (30, 1037438), (38, 819030), (46, 676590), (57, 546020), (60, 518719), (69, 451060), (76, 409515), (92, 338295), (95, 327612), (114, 273010), (115, 270636), (138, 225530), (190, 163806), (228, 136505), (230, 135318), (276, 112765), (285, 109204), (345, 90212), (380, 81903), (437, 71220), (460, 67659), (570, 54602), (690, 45106), (874, 35610), (1140, 27301), (1187, 26220), (1311, 23740), (1380, 22553), (1748, 17805), (2185, 14244), (2374, 13110), (2622, 11870), (3561, 8740), (4370, 7122), (4748, 6555), (5244, 5935)]