31379130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 90685440

約数和(自身を除く): 59306310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 45, 46, 54, 62, 69, 90, 93, 115, 135, 138, 155, 163, 186, 207, 230, 270, 279, 310, 326, 345, 414, 465, 489, 558, 621, 690, 713, 815, 837, 930, 978, 1035, 1242, 1395, 1426, 1467, 1630, 1674, 2070, 2139, 2445, 2790, 2934, 3105, 3565, 3749, 4185, 4278, 4401, 4890, 5053, 6210, 6417, 7130, 7335, 7498, 8370, 8802, 10106, 10695, 11247, 12834, 14670, 15159, 18745, 19251, 21390, 22005, 22494, 25265, 30318, 32085, 33741, 37490, 38502, 44010, 45477, 50530, 56235, 64170, 67482, 75795, 90954, 96255, 101223, 112470, 116219, 136431, 151590, 168705, 192510, 202446, 227385, 232438, 272862, 337410, 348657, 454770, 506115, 581095, 682155, 697314, 1012230, 1045971, 1162190, 1364310, 1743285, 2091942, 3137913, 3486570, 5229855, 6275826, 10459710, 15689565, 31379130]

約数ペア:

[(1, 31379130), (2, 15689565), (3, 10459710), (5, 6275826), (6, 5229855), (9, 3486570), (10, 3137913), (15, 2091942), (18, 1743285), (23, 1364310), (27, 1162190), (30, 1045971), (31, 1012230), (45, 697314), (46, 682155), (54, 581095), (62, 506115), (69, 454770), (90, 348657), (93, 337410), (115, 272862), (135, 232438), (138, 227385), (155, 202446), (163, 192510), (186, 168705), (207, 151590), (230, 136431), (270, 116219), (279, 112470), (310, 101223), (326, 96255), (345, 90954), (414, 75795), (465, 67482), (489, 64170), (558, 56235), (621, 50530), (690, 45477), (713, 44010), (815, 38502), (837, 37490), (930, 33741), (978, 32085), (1035, 30318), (1242, 25265), (1395, 22494), (1426, 22005), (1467, 21390), (1630, 19251), (1674, 18745), (2070, 15159), (2139, 14670), (2445, 12834), (2790, 11247), (2934, 10695), (3105, 10106), (3565, 8802), (3749, 8370), (4185, 7498), (4278, 7335), (4401, 7130), (4890, 6417), (5053, 6210)]