120857660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78479}}^1$

素因数の和:78506

約数の個数: 48

約数和(自身を含む): 316431360

約数和(自身を除く): 195573700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 78479, 156958, 313916, 392395, 549353, 784790, 863269, 1098706, 1569580, 1726538, 2197412, 2746765, 3453076, 4316345, 5493530, 6042883, 8632690, 10987060, 12085766, 17265380, 24171532, 30214415, 60428830, 120857660]

約数ペア:

[(1, 120857660), (2, 60428830), (4, 30214415), (5, 24171532), (7, 17265380), (10, 12085766), (11, 10987060), (14, 8632690), (20, 6042883), (22, 5493530), (28, 4316345), (35, 3453076), (44, 2746765), (55, 2197412), (70, 1726538), (77, 1569580), (110, 1098706), (140, 863269), (154, 784790), (220, 549353), (308, 392395), (385, 313916), (770, 156958), (1540, 78479)]