131351940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 423696000

約数和(自身を除く): 292344060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 193, 199, 228, 285, 342, 380, 386, 398, 570, 579, 597, 684, 772, 796, 855, 965, 995, 1140, 1158, 1194, 1710, 1737, 1791, 1930, 1990, 2316, 2388, 2895, 2985, 3420, 3474, 3582, 3667, 3781, 3860, 3980, 5790, 5970, 6948, 7164, 7334, 7562, 8685, 8955, 11001, 11343, 11580, 11940, 14668, 15124, 17370, 17910, 18335, 18905, 22002, 22686, 33003, 34029, 34740, 35820, 36670, 37810, 38407, 44004, 45372, 55005, 56715, 66006, 68058, 73340, 75620, 76814, 110010, 113430, 115221, 132012, 136116, 153628, 165015, 170145, 192035, 220020, 226860, 230442, 330030, 340290, 345663, 384070, 460884, 576105, 660060, 680580, 691326, 729733, 768140, 1152210, 1382652, 1459466, 1728315, 2189199, 2304420, 2918932, 3456630, 3648665, 4378398, 6567597, 6913260, 7297330, 8756796, 10945995, 13135194, 14594660, 21891990, 26270388, 32837985, 43783980, 65675970, 131351940]

約数ペア:

[(1, 131351940), (2, 65675970), (3, 43783980), (4, 32837985), (5, 26270388), (6, 21891990), (9, 14594660), (10, 13135194), (12, 10945995), (15, 8756796), (18, 7297330), (19, 6913260), (20, 6567597), (30, 4378398), (36, 3648665), (38, 3456630), (45, 2918932), (57, 2304420), (60, 2189199), (76, 1728315), (90, 1459466), (95, 1382652), (114, 1152210), (171, 768140), (180, 729733), (190, 691326), (193, 680580), (199, 660060), (228, 576105), (285, 460884), (342, 384070), (380, 345663), (386, 340290), (398, 330030), (570, 230442), (579, 226860), (597, 220020), (684, 192035), (772, 170145), (796, 165015), (855, 153628), (965, 136116), (995, 132012), (1140, 115221), (1158, 113430), (1194, 110010), (1710, 76814), (1737, 75620), (1791, 73340), (1930, 68058), (1990, 66006), (2316, 56715), (2388, 55005), (2895, 45372), (2985, 44004), (3420, 38407), (3474, 37810), (3582, 36670), (3667, 35820), (3781, 34740), (3860, 34029), (3980, 33003), (5790, 22686), (5970, 22002), (6948, 18905), (7164, 18335), (7334, 17910), (7562, 17370), (8685, 15124), (8955, 14668), (11001, 11940), (11343, 11580)]