121731680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{15527}}^1$

素因数の和:15556

約数の個数: 72

約数和(自身を含む): 334566288

約数和(自身を除く): 212834608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 15527, 31054, 62108, 77635, 108689, 124216, 155270, 217378, 248432, 310540, 434756, 496864, 543445, 621080, 760823, 869512, 1086890, 1242160, 1521646, 1739024, 2173780, 2484320, 3043292, 3478048, 3804115, 4347560, 6086584, 7608230, 8695120, 12173168, 15216460, 17390240, 24346336, 30432920, 60865840, 121731680]

約数ペア:

[(1, 121731680), (2, 60865840), (4, 30432920), (5, 24346336), (7, 17390240), (8, 15216460), (10, 12173168), (14, 8695120), (16, 7608230), (20, 6086584), (28, 4347560), (32, 3804115), (35, 3478048), (40, 3043292), (49, 2484320), (56, 2173780), (70, 1739024), (80, 1521646), (98, 1242160), (112, 1086890), (140, 869512), (160, 760823), (196, 621080), (224, 543445), (245, 496864), (280, 434756), (392, 310540), (490, 248432), (560, 217378), (784, 155270), (980, 124216), (1120, 108689), (1568, 77635), (1960, 62108), (3920, 31054), (7840, 15527)]