205653780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{21557}}^1$

素因数の和:21625

約数の個数: 72

約数和(自身を含む): 635616072

約数和(自身を除く): 429962292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 21557, 43114, 64671, 86228, 107785, 129342, 194013, 215570, 258684, 323355, 388026, 431140, 646710, 776052, 970065, 1142521, 1293420, 1940130, 2285042, 3427563, 3880260, 4570084, 5712605, 6855126, 10282689, 11425210, 13710252, 17137815, 20565378, 22850420, 34275630, 41130756, 51413445, 68551260, 102826890, 205653780]

約数ペア:

[(1, 205653780), (2, 102826890), (3, 68551260), (4, 51413445), (5, 41130756), (6, 34275630), (9, 22850420), (10, 20565378), (12, 17137815), (15, 13710252), (18, 11425210), (20, 10282689), (30, 6855126), (36, 5712605), (45, 4570084), (53, 3880260), (60, 3427563), (90, 2285042), (106, 1940130), (159, 1293420), (180, 1142521), (212, 970065), (265, 776052), (318, 646710), (477, 431140), (530, 388026), (636, 323355), (795, 258684), (954, 215570), (1060, 194013), (1590, 129342), (1908, 107785), (2385, 86228), (3180, 64671), (4770, 43114), (9540, 21557)]