90981180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1879}}^1$

素因数の和:2163

約数の個数: 72

約数和(自身を含む): 277149600

約数和(自身を除く): 186168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 1879, 2421, 2690, 3228, 3758, 4035, 4842, 5380, 5637, 7516, 8070, 9395, 9684, 11274, 12105, 16140, 16911, 18790, 22548, 24210, 28185, 33822, 37580, 48420, 56370, 67644, 84555, 112740, 169110, 338220, 505451, 1010902, 1516353, 2021804, 2527255, 3032706, 4549059, 5054510, 6065412, 7581765, 9098118, 10109020, 15163530, 18196236, 22745295, 30327060, 45490590, 90981180]

約数ペア:

[(1, 90981180), (2, 45490590), (3, 30327060), (4, 22745295), (5, 18196236), (6, 15163530), (9, 10109020), (10, 9098118), (12, 7581765), (15, 6065412), (18, 5054510), (20, 4549059), (30, 3032706), (36, 2527255), (45, 2021804), (60, 1516353), (90, 1010902), (180, 505451), (269, 338220), (538, 169110), (807, 112740), (1076, 84555), (1345, 67644), (1614, 56370), (1879, 48420), (2421, 37580), (2690, 33822), (3228, 28185), (3758, 24210), (4035, 22548), (4842, 18790), (5380, 16911), (5637, 16140), (7516, 12105), (8070, 11274), (9395, 9684)]