28241640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1601}}^1$

素因数の和:1632

約数の個数: 144

約数和(自身を含む): 106837380

約数和(自身を除く): 78595740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1601, 1764, 1960, 2205, 2520, 2940, 3202, 3528, 4410, 4803, 5880, 6404, 8005, 8820, 9606, 11207, 12808, 14409, 16010, 17640, 19212, 22414, 24015, 28818, 32020, 33621, 38424, 44828, 48030, 56035, 57636, 64040, 67242, 72045, 78449, 89656, 96060, 100863, 112070, 115272, 134484, 144090, 156898, 168105, 192120, 201726, 224140, 235347, 268968, 288180, 313796, 336210, 392245, 403452, 448280, 470694, 504315, 576360, 627592, 672420, 706041, 784490, 806904, 941388, 1008630, 1176735, 1344840, 1412082, 1568980, 1882776, 2017260, 2353470, 2824164, 3137960, 3530205, 4034520, 4706940, 5648328, 7060410, 9413880, 14120820, 28241640]

約数ペア:

[(1, 28241640), (2, 14120820), (3, 9413880), (4, 7060410), (5, 5648328), (6, 4706940), (7, 4034520), (8, 3530205), (9, 3137960), (10, 2824164), (12, 2353470), (14, 2017260), (15, 1882776), (18, 1568980), (20, 1412082), (21, 1344840), (24, 1176735), (28, 1008630), (30, 941388), (35, 806904), (36, 784490), (40, 706041), (42, 672420), (45, 627592), (49, 576360), (56, 504315), (60, 470694), (63, 448280), (70, 403452), (72, 392245), (84, 336210), (90, 313796), (98, 288180), (105, 268968), (120, 235347), (126, 224140), (140, 201726), (147, 192120), (168, 168105), (180, 156898), (196, 144090), (210, 134484), (245, 115272), (252, 112070), (280, 100863), (294, 96060), (315, 89656), (360, 78449), (392, 72045), (420, 67242), (441, 64040), (490, 57636), (504, 56035), (588, 48030), (630, 44828), (735, 38424), (840, 33621), (882, 32020), (980, 28818), (1176, 24015), (1260, 22414), (1470, 19212), (1601, 17640), (1764, 16010), (1960, 14409), (2205, 12808), (2520, 11207), (2940, 9606), (3202, 8820), (3528, 8005), (4410, 6404), (4803, 5880)]