81893880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2087}}^1$

素因数の和:2213

約数の個数: 96

約数和(自身を含む): 268725600

約数和(自身を除く): 186831720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 2087, 2180, 2616, 3270, 3924, 4174, 4360, 4905, 6261, 6540, 7848, 8348, 9810, 10435, 12522, 13080, 16696, 18783, 19620, 20870, 25044, 31305, 37566, 39240, 41740, 50088, 62610, 75132, 83480, 93915, 125220, 150264, 187830, 227483, 250440, 375660, 454966, 682449, 751320, 909932, 1137415, 1364898, 1819864, 2047347, 2274830, 2729796, 3412245, 4094694, 4549660, 5459592, 6824490, 8189388, 9099320, 10236735, 13648980, 16378776, 20473470, 27297960, 40946940, 81893880]

約数ペア:

[(1, 81893880), (2, 40946940), (3, 27297960), (4, 20473470), (5, 16378776), (6, 13648980), (8, 10236735), (9, 9099320), (10, 8189388), (12, 6824490), (15, 5459592), (18, 4549660), (20, 4094694), (24, 3412245), (30, 2729796), (36, 2274830), (40, 2047347), (45, 1819864), (60, 1364898), (72, 1137415), (90, 909932), (109, 751320), (120, 682449), (180, 454966), (218, 375660), (327, 250440), (360, 227483), (436, 187830), (545, 150264), (654, 125220), (872, 93915), (981, 83480), (1090, 75132), (1308, 62610), (1635, 50088), (1962, 41740), (2087, 39240), (2180, 37566), (2616, 31305), (3270, 25044), (3924, 20870), (4174, 19620), (4360, 18783), (4905, 16696), (6261, 13080), (6540, 12522), (7848, 10435), (8348, 9810)]