1809420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 5171040

約数和(自身を除く): 3361620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 569, 636, 795, 1060, 1138, 1590, 1707, 2276, 2845, 3180, 3414, 5690, 6828, 8535, 11380, 17070, 30157, 34140, 60314, 90471, 120628, 150785, 180942, 301570, 361884, 452355, 603140, 904710, 1809420]

約数ペア:

[(1, 1809420), (2, 904710), (3, 603140), (4, 452355), (5, 361884), (6, 301570), (10, 180942), (12, 150785), (15, 120628), (20, 90471), (30, 60314), (53, 34140), (60, 30157), (106, 17070), (159, 11380), (212, 8535), (265, 6828), (318, 5690), (530, 3414), (569, 3180), (636, 2845), (795, 2276), (1060, 1707), (1138, 1590)]