131621840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{33577}}^1$

素因数の和:33604

約数の個数: 60

約数和(自身を含む): 355993956

約数和(自身を除く): 224372116

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, 392, 490, 560, 784, 980, 1960, 3920, 33577, 67154, 134308, 167885, 235039, 268616, 335770, 470078, 537232, 671540, 940156, 1175195, 1343080, 1645273, 1880312, 2350390, 2686160, 3290546, 3760624, 4700780, 6581092, 8226365, 9401560, 13162184, 16452730, 18803120, 26324368, 32905460, 65810920, 131621840]

約数ペア:

[(1, 131621840), (2, 65810920), (4, 32905460), (5, 26324368), (7, 18803120), (8, 16452730), (10, 13162184), (14, 9401560), (16, 8226365), (20, 6581092), (28, 4700780), (35, 3760624), (40, 3290546), (49, 2686160), (56, 2350390), (70, 1880312), (80, 1645273), (98, 1343080), (112, 1175195), (140, 940156), (196, 671540), (245, 537232), (280, 470078), (392, 335770), (490, 268616), (560, 235039), (784, 167885), (980, 134308), (1960, 67154), (3920, 33577)]