120217280

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2121

約数の個数: 56

約数和(自身を含む): 287871408

約数和(自身を除く): 167654128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1907, 1970, 3152, 3814, 3940, 6304, 7628, 7880, 9535, 12608, 15256, 15760, 19070, 30512, 31520, 38140, 61024, 63040, 76280, 122048, 152560, 305120, 375679, 610240, 751358, 1502716, 1878395, 3005432, 3756790, 6010864, 7513580, 12021728, 15027160, 24043456, 30054320, 60108640, 120217280]

約数ペア:

[(1, 120217280), (2, 60108640), (4, 30054320), (5, 24043456), (8, 15027160), (10, 12021728), (16, 7513580), (20, 6010864), (32, 3756790), (40, 3005432), (64, 1878395), (80, 1502716), (160, 751358), (197, 610240), (320, 375679), (394, 305120), (788, 152560), (985, 122048), (1576, 76280), (1907, 63040), (1970, 61024), (3152, 38140), (3814, 31520), (3940, 30512), (6304, 19070), (7628, 15760), (7880, 15256), (9535, 12608)]