191085720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2087}}^1$

素因数の和:2217

約数の個数: 128

約数和(自身を含む): 661478400

約数和(自身を除く): 470392680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2087, 2180, 2289, 2616, 3052, 3270, 3815, 4174, 4360, 4578, 6104, 6261, 6540, 7630, 8348, 9156, 10435, 11445, 12522, 13080, 14609, 15260, 16696, 18312, 20870, 22890, 25044, 29218, 30520, 31305, 41740, 43827, 45780, 50088, 58436, 62610, 73045, 83480, 87654, 91560, 116872, 125220, 146090, 175308, 219135, 227483, 250440, 292180, 350616, 438270, 454966, 584360, 682449, 876540, 909932, 1137415, 1364898, 1592381, 1753080, 1819864, 2274830, 2729796, 3184762, 3412245, 4549660, 4777143, 5459592, 6369524, 6824490, 7961905, 9099320, 9554286, 12739048, 13648980, 15923810, 19108572, 23885715, 27297960, 31847620, 38217144, 47771430, 63695240, 95542860, 191085720]

約数ペア:

[(1, 191085720), (2, 95542860), (3, 63695240), (4, 47771430), (5, 38217144), (6, 31847620), (7, 27297960), (8, 23885715), (10, 19108572), (12, 15923810), (14, 13648980), (15, 12739048), (20, 9554286), (21, 9099320), (24, 7961905), (28, 6824490), (30, 6369524), (35, 5459592), (40, 4777143), (42, 4549660), (56, 3412245), (60, 3184762), (70, 2729796), (84, 2274830), (105, 1819864), (109, 1753080), (120, 1592381), (140, 1364898), (168, 1137415), (210, 909932), (218, 876540), (280, 682449), (327, 584360), (420, 454966), (436, 438270), (545, 350616), (654, 292180), (763, 250440), (840, 227483), (872, 219135), (1090, 175308), (1308, 146090), (1526, 125220), (1635, 116872), (2087, 91560), (2180, 87654), (2289, 83480), (2616, 73045), (3052, 62610), (3270, 58436), (3815, 50088), (4174, 45780), (4360, 43827), (4578, 41740), (6104, 31305), (6261, 30520), (6540, 29218), (7630, 25044), (8348, 22890), (9156, 20870), (10435, 18312), (11445, 16696), (12522, 15260), (13080, 14609)]