31120920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:785

約数の個数: 96

約数和(自身を含む): 102042720

約数和(自身を除く): 70921800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 137, 180, 274, 360, 411, 548, 631, 685, 822, 1096, 1233, 1262, 1370, 1644, 1893, 2055, 2466, 2524, 2740, 3155, 3288, 3786, 4110, 4932, 5048, 5480, 5679, 6165, 6310, 7572, 8220, 9465, 9864, 11358, 12330, 12620, 15144, 16440, 18930, 22716, 24660, 25240, 28395, 37860, 45432, 49320, 56790, 75720, 86447, 113580, 172894, 227160, 259341, 345788, 432235, 518682, 691576, 778023, 864470, 1037364, 1296705, 1556046, 1728940, 2074728, 2593410, 3112092, 3457880, 3890115, 5186820, 6224184, 7780230, 10373640, 15560460, 31120920]

約数ペア:

[(1, 31120920), (2, 15560460), (3, 10373640), (4, 7780230), (5, 6224184), (6, 5186820), (8, 3890115), (9, 3457880), (10, 3112092), (12, 2593410), (15, 2074728), (18, 1728940), (20, 1556046), (24, 1296705), (30, 1037364), (36, 864470), (40, 778023), (45, 691576), (60, 518682), (72, 432235), (90, 345788), (120, 259341), (137, 227160), (180, 172894), (274, 113580), (360, 86447), (411, 75720), (548, 56790), (631, 49320), (685, 45432), (822, 37860), (1096, 28395), (1233, 25240), (1262, 24660), (1370, 22716), (1644, 18930), (1893, 16440), (2055, 15144), (2466, 12620), (2524, 12330), (2740, 11358), (3155, 9864), (3288, 9465), (3786, 8220), (4110, 7572), (4932, 6310), (5048, 6165), (5480, 5679)]