81824580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1027

約数の個数: 120

約数和(自身を含む): 261804312

約数和(自身を除く): 179979732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 953, 954, 1060, 1431, 1590, 1620, 1906, 1908, 2385, 2859, 2862, 3180, 3812, 4293, 4765, 4770, 5718, 5724, 7155, 8577, 8586, 9530, 9540, 11436, 14295, 14310, 17154, 17172, 19060, 21465, 25731, 28590, 28620, 34308, 42885, 42930, 50509, 51462, 57180, 77193, 85770, 85860, 101018, 102924, 128655, 151527, 154386, 171540, 202036, 252545, 257310, 303054, 308772, 385965, 454581, 505090, 514620, 606108, 757635, 771930, 909162, 1010180, 1363743, 1515270, 1543860, 1818324, 2272905, 2727486, 3030540, 4091229, 4545810, 5454972, 6818715, 8182458, 9091620, 13637430, 16364916, 20456145, 27274860, 40912290, 81824580]

約数ペア:

[(1, 81824580), (2, 40912290), (3, 27274860), (4, 20456145), (5, 16364916), (6, 13637430), (9, 9091620), (10, 8182458), (12, 6818715), (15, 5454972), (18, 4545810), (20, 4091229), (27, 3030540), (30, 2727486), (36, 2272905), (45, 1818324), (53, 1543860), (54, 1515270), (60, 1363743), (81, 1010180), (90, 909162), (106, 771930), (108, 757635), (135, 606108), (159, 514620), (162, 505090), (180, 454581), (212, 385965), (265, 308772), (270, 303054), (318, 257310), (324, 252545), (405, 202036), (477, 171540), (530, 154386), (540, 151527), (636, 128655), (795, 102924), (810, 101018), (953, 85860), (954, 85770), (1060, 77193), (1431, 57180), (1590, 51462), (1620, 50509), (1906, 42930), (1908, 42885), (2385, 34308), (2859, 28620), (2862, 28590), (3180, 25731), (3812, 21465), (4293, 19060), (4765, 17172), (4770, 17154), (5718, 14310), (5724, 14295), (7155, 11436), (8577, 9540), (8586, 9530)]