81130968

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 229232640

約数和(自身を除く): 148101672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 163, 186, 223, 248, 279, 326, 372, 446, 489, 558, 652, 669, 744, 892, 978, 1116, 1304, 1338, 1467, 1784, 1956, 2007, 2232, 2676, 2934, 3912, 4014, 5053, 5352, 5868, 6913, 8028, 10106, 11736, 13826, 15159, 16056, 20212, 20739, 27652, 30318, 36349, 40424, 41478, 45477, 55304, 60636, 62217, 72698, 82956, 90954, 109047, 121272, 124434, 145396, 165912, 181908, 218094, 248868, 290792, 327141, 363816, 436188, 497736, 654282, 872376, 1126819, 1308564, 2253638, 2617128, 3380457, 4507276, 6760914, 9014552, 10141371, 13521828, 20282742, 27043656, 40565484, 81130968]

約数ペア:

[(1, 81130968), (2, 40565484), (3, 27043656), (4, 20282742), (6, 13521828), (8, 10141371), (9, 9014552), (12, 6760914), (18, 4507276), (24, 3380457), (31, 2617128), (36, 2253638), (62, 1308564), (72, 1126819), (93, 872376), (124, 654282), (163, 497736), (186, 436188), (223, 363816), (248, 327141), (279, 290792), (326, 248868), (372, 218094), (446, 181908), (489, 165912), (558, 145396), (652, 124434), (669, 121272), (744, 109047), (892, 90954), (978, 82956), (1116, 72698), (1304, 62217), (1338, 60636), (1467, 55304), (1784, 45477), (1956, 41478), (2007, 40424), (2232, 36349), (2676, 30318), (2934, 27652), (3912, 20739), (4014, 20212), (5053, 16056), (5352, 15159), (5868, 13826), (6913, 11736), (8028, 10106)]