8181000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{101}}^1$

素因数の和:134

約数の個数: 160

約数和(自身を含む): 28880280

約数和(自身を除く): 20699280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 101, 108, 120, 125, 135, 150, 162, 180, 200, 202, 216, 225, 250, 270, 300, 303, 324, 360, 375, 404, 405, 450, 500, 505, 540, 600, 606, 648, 675, 750, 808, 810, 900, 909, 1000, 1010, 1080, 1125, 1212, 1350, 1500, 1515, 1620, 1800, 1818, 2020, 2025, 2250, 2424, 2525, 2700, 2727, 3000, 3030, 3240, 3375, 3636, 4040, 4050, 4500, 4545, 5050, 5400, 5454, 6060, 6750, 7272, 7575, 8100, 8181, 9000, 9090, 10100, 10125, 10908, 12120, 12625, 13500, 13635, 15150, 16200, 16362, 18180, 20200, 20250, 21816, 22725, 25250, 27000, 27270, 30300, 32724, 36360, 37875, 40500, 40905, 45450, 50500, 54540, 60600, 65448, 68175, 75750, 81000, 81810, 90900, 101000, 109080, 113625, 136350, 151500, 163620, 181800, 204525, 227250, 272700, 303000, 327240, 340875, 409050, 454500, 545400, 681750, 818100, 909000, 1022625, 1363500, 1636200, 2045250, 2727000, 4090500, 8181000]

約数ペア:

[(1, 8181000), (2, 4090500), (3, 2727000), (4, 2045250), (5, 1636200), (6, 1363500), (8, 1022625), (9, 909000), (10, 818100), (12, 681750), (15, 545400), (18, 454500), (20, 409050), (24, 340875), (25, 327240), (27, 303000), (30, 272700), (36, 227250), (40, 204525), (45, 181800), (50, 163620), (54, 151500), (60, 136350), (72, 113625), (75, 109080), (81, 101000), (90, 90900), (100, 81810), (101, 81000), (108, 75750), (120, 68175), (125, 65448), (135, 60600), (150, 54540), (162, 50500), (180, 45450), (200, 40905), (202, 40500), (216, 37875), (225, 36360), (250, 32724), (270, 30300), (300, 27270), (303, 27000), (324, 25250), (360, 22725), (375, 21816), (404, 20250), (405, 20200), (450, 18180), (500, 16362), (505, 16200), (540, 15150), (600, 13635), (606, 13500), (648, 12625), (675, 12120), (750, 10908), (808, 10125), (810, 10100), (900, 9090), (909, 9000), (1000, 8181), (1010, 8100), (1080, 7575), (1125, 7272), (1212, 6750), (1350, 6060), (1500, 5454), (1515, 5400), (1620, 5050), (1800, 4545), (1818, 4500), (2020, 4050), (2025, 4040), (2250, 3636), (2424, 3375), (2525, 3240), (2700, 3030), (2727, 3000)]