7247220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 21163296

約数和(自身を除く): 13916076

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 53, 60, 86, 106, 129, 159, 172, 212, 215, 258, 265, 318, 430, 516, 530, 636, 645, 795, 860, 1060, 1290, 1590, 2279, 2580, 2809, 3180, 4558, 5618, 6837, 8427, 9116, 11236, 11395, 13674, 14045, 16854, 22790, 27348, 28090, 33708, 34185, 42135, 45580, 56180, 68370, 84270, 120787, 136740, 168540, 241574, 362361, 483148, 603935, 724722, 1207870, 1449444, 1811805, 2415740, 3623610, 7247220]

約数ペア:

[(1, 7247220), (2, 3623610), (3, 2415740), (4, 1811805), (5, 1449444), (6, 1207870), (10, 724722), (12, 603935), (15, 483148), (20, 362361), (30, 241574), (43, 168540), (53, 136740), (60, 120787), (86, 84270), (106, 68370), (129, 56180), (159, 45580), (172, 42135), (212, 34185), (215, 33708), (258, 28090), (265, 27348), (318, 22790), (430, 16854), (516, 14045), (530, 13674), (636, 11395), (645, 11236), (795, 9116), (860, 8427), (1060, 6837), (1290, 5618), (1590, 4558), (2279, 3180), (2580, 2809)]