215886780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1199371}}^1$

素因数の和:1199386

約数の個数: 36

約数和(自身を含む): 654857112

約数和(自身を除く): 438970332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1199371, 2398742, 3598113, 4797484, 5996855, 7196226, 10794339, 11993710, 14392452, 17990565, 21588678, 23987420, 35981130, 43177356, 53971695, 71962260, 107943390, 215886780]

約数ペア:

[(1, 215886780), (2, 107943390), (3, 71962260), (4, 53971695), (5, 43177356), (6, 35981130), (9, 23987420), (10, 21588678), (12, 17990565), (15, 14392452), (18, 11993710), (20, 10794339), (30, 7196226), (36, 5996855), (45, 4797484), (60, 3598113), (90, 2398742), (180, 1199371)]