123013520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{4483}}^1$

素因数の和:4517

約数の個数: 80

約数和(自身を含む): 333609600

約数和(自身を除く): 210596080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 4483, 5488, 6860, 8966, 13720, 17932, 22415, 27440, 31381, 35864, 44830, 62762, 71728, 89660, 125524, 156905, 179320, 219667, 251048, 313810, 358640, 439334, 502096, 627620, 878668, 1098335, 1255240, 1537669, 1757336, 2196670, 2510480, 3075338, 3514672, 4393340, 6150676, 7688345, 8786680, 12301352, 15376690, 17573360, 24602704, 30753380, 61506760, 123013520]

約数ペア:

[(1, 123013520), (2, 61506760), (4, 30753380), (5, 24602704), (7, 17573360), (8, 15376690), (10, 12301352), (14, 8786680), (16, 7688345), (20, 6150676), (28, 4393340), (35, 3514672), (40, 3075338), (49, 2510480), (56, 2196670), (70, 1757336), (80, 1537669), (98, 1255240), (112, 1098335), (140, 878668), (196, 627620), (245, 502096), (280, 439334), (343, 358640), (392, 313810), (490, 251048), (560, 219667), (686, 179320), (784, 156905), (980, 125524), (1372, 89660), (1715, 71728), (1960, 62762), (2744, 44830), (3430, 35864), (3920, 31381), (4483, 27440), (5488, 22415), (6860, 17932), (8966, 13720)]