245681640

素因数分解:

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

素因数の和:2216

約数の個数: 128

約数和(自身を含む): 826848000

約数和(自身を除く): 581166360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 109, 120, 135, 180, 216, 218, 270, 327, 360, 436, 540, 545, 654, 872, 981, 1080, 1090, 1308, 1635, 1962, 2087, 2180, 2616, 2943, 3270, 3924, 4174, 4360, 4905, 5886, 6261, 6540, 7848, 8348, 9810, 10435, 11772, 12522, 13080, 14715, 16696, 18783, 19620, 20870, 23544, 25044, 29430, 31305, 37566, 39240, 41740, 50088, 56349, 58860, 62610, 75132, 83480, 93915, 112698, 117720, 125220, 150264, 187830, 225396, 227483, 250440, 281745, 375660, 450792, 454966, 563490, 682449, 751320, 909932, 1126980, 1137415, 1364898, 1819864, 2047347, 2253960, 2274830, 2729796, 3412245, 4094694, 4549660, 5459592, 6142041, 6824490, 8189388, 9099320, 10236735, 12284082, 13648980, 16378776, 20473470, 24568164, 27297960, 30710205, 40946940, 49136328, 61420410, 81893880, 122840820, 245681640]

約数ペア:

[(1, 245681640), (2, 122840820), (3, 81893880), (4, 61420410), (5, 49136328), (6, 40946940), (8, 30710205), (9, 27297960), (10, 24568164), (12, 20473470), (15, 16378776), (18, 13648980), (20, 12284082), (24, 10236735), (27, 9099320), (30, 8189388), (36, 6824490), (40, 6142041), (45, 5459592), (54, 4549660), (60, 4094694), (72, 3412245), (90, 2729796), (108, 2274830), (109, 2253960), (120, 2047347), (135, 1819864), (180, 1364898), (216, 1137415), (218, 1126980), (270, 909932), (327, 751320), (360, 682449), (436, 563490), (540, 454966), (545, 450792), (654, 375660), (872, 281745), (981, 250440), (1080, 227483), (1090, 225396), (1308, 187830), (1635, 150264), (1962, 125220), (2087, 117720), (2180, 112698), (2616, 93915), (2943, 83480), (3270, 75132), (3924, 62610), (4174, 58860), (4360, 56349), (4905, 50088), (5886, 41740), (6261, 39240), (6540, 37566), (7848, 31305), (8348, 29430), (9810, 25044), (10435, 23544), (11772, 20870), (12522, 19620), (13080, 18783), (14715, 16696)]