80821800

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{1663}}^1$

素因数の和:1694

約数の個数: 144

約数和(自身を含む): 281648640

約数和(自身を除く): 200826840

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, 108, 120, 135, 150, 162, 180, 200, 216, 225, 243, 270, 300, 324, 360, 405, 450, 486, 540, 600, 648, 675, 810, 900, 972, 1080, 1215, 1350, 1620, 1663, 1800, 1944, 2025, 2430, 2700, 3240, 3326, 4050, 4860, 4989, 5400, 6075, 6652, 8100, 8315, 9720, 9978, 12150, 13304, 14967, 16200, 16630, 19956, 24300, 24945, 29934, 33260, 39912, 41575, 44901, 48600, 49890, 59868, 66520, 74835, 83150, 89802, 99780, 119736, 124725, 134703, 149670, 166300, 179604, 199560, 224505, 249450, 269406, 299340, 332600, 359208, 374175, 404109, 449010, 498900, 538812, 598680, 673515, 748350, 808218, 898020, 997800, 1077624, 1122525, 1347030, 1496700, 1616436, 1796040, 2020545, 2245050, 2694060, 2993400, 3232872, 3367575, 4041090, 4490100, 5388120, 6735150, 8082180, 8980200, 10102725, 13470300, 16164360, 20205450, 26940600, 40410900, 80821800]

約数ペア:

[(1, 80821800), (2, 40410900), (3, 26940600), (4, 20205450), (5, 16164360), (6, 13470300), (8, 10102725), (9, 8980200), (10, 8082180), (12, 6735150), (15, 5388120), (18, 4490100), (20, 4041090), (24, 3367575), (25, 3232872), (27, 2993400), (30, 2694060), (36, 2245050), (40, 2020545), (45, 1796040), (50, 1616436), (54, 1496700), (60, 1347030), (72, 1122525), (75, 1077624), (81, 997800), (90, 898020), (100, 808218), (108, 748350), (120, 673515), (135, 598680), (150, 538812), (162, 498900), (180, 449010), (200, 404109), (216, 374175), (225, 359208), (243, 332600), (270, 299340), (300, 269406), (324, 249450), (360, 224505), (405, 199560), (450, 179604), (486, 166300), (540, 149670), (600, 134703), (648, 124725), (675, 119736), (810, 99780), (900, 89802), (972, 83150), (1080, 74835), (1215, 66520), (1350, 59868), (1620, 49890), (1663, 48600), (1800, 44901), (1944, 41575), (2025, 39912), (2430, 33260), (2700, 29934), (3240, 24945), (3326, 24300), (4050, 19956), (4860, 16630), (4989, 16200), (5400, 14967), (6075, 13304), (6652, 12150), (8100, 9978), (8315, 9720)]