145772820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1879}}^1$

素因数の和:2325

約数の個数: 72

約数和(自身を含む): 443439360

約数和(自身を除く): 297666540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 431, 862, 1293, 1724, 1879, 2155, 2586, 3758, 3879, 4310, 5172, 5637, 6465, 7516, 7758, 8620, 9395, 11274, 12930, 15516, 16911, 18790, 19395, 22548, 25860, 28185, 33822, 37580, 38790, 56370, 67644, 77580, 84555, 112740, 169110, 338220, 809849, 1619698, 2429547, 3239396, 4049245, 4859094, 7288641, 8098490, 9718188, 12147735, 14577282, 16196980, 24295470, 29154564, 36443205, 48590940, 72886410, 145772820]

約数ペア:

[(1, 145772820), (2, 72886410), (3, 48590940), (4, 36443205), (5, 29154564), (6, 24295470), (9, 16196980), (10, 14577282), (12, 12147735), (15, 9718188), (18, 8098490), (20, 7288641), (30, 4859094), (36, 4049245), (45, 3239396), (60, 2429547), (90, 1619698), (180, 809849), (431, 338220), (862, 169110), (1293, 112740), (1724, 84555), (1879, 77580), (2155, 67644), (2586, 56370), (3758, 38790), (3879, 37580), (4310, 33822), (5172, 28185), (5637, 25860), (6465, 22548), (7516, 19395), (7758, 18790), (8620, 16911), (9395, 15516), (11274, 12930)]