81001800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4091}}^1$

素因数の和:4124

約数の個数: 144

約数和(自身を含む): 296833680

約数和(自身を除く): 215831880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 990, 1100, 1320, 1650, 1800, 1980, 2200, 2475, 3300, 3960, 4091, 4950, 6600, 8182, 9900, 12273, 16364, 19800, 20455, 24546, 32728, 36819, 40910, 45001, 49092, 61365, 73638, 81820, 90002, 98184, 102275, 122730, 135003, 147276, 163640, 180004, 184095, 204550, 225005, 245460, 270006, 294552, 306825, 360008, 368190, 405009, 409100, 450010, 490920, 540012, 613650, 675015, 736380, 810018, 818200, 900020, 920475, 1080024, 1125025, 1227300, 1350030, 1472760, 1620036, 1800040, 1840950, 2025045, 2250050, 2454600, 2700060, 3240072, 3375075, 3681900, 4050090, 4500100, 5400120, 6750150, 7363800, 8100180, 9000200, 10125225, 13500300, 16200360, 20250450, 27000600, 40500900, 81001800]

約数ペア:

[(1, 81001800), (2, 40500900), (3, 27000600), (4, 20250450), (5, 16200360), (6, 13500300), (8, 10125225), (9, 9000200), (10, 8100180), (11, 7363800), (12, 6750150), (15, 5400120), (18, 4500100), (20, 4050090), (22, 3681900), (24, 3375075), (25, 3240072), (30, 2700060), (33, 2454600), (36, 2250050), (40, 2025045), (44, 1840950), (45, 1800040), (50, 1620036), (55, 1472760), (60, 1350030), (66, 1227300), (72, 1125025), (75, 1080024), (88, 920475), (90, 900020), (99, 818200), (100, 810018), (110, 736380), (120, 675015), (132, 613650), (150, 540012), (165, 490920), (180, 450010), (198, 409100), (200, 405009), (220, 368190), (225, 360008), (264, 306825), (275, 294552), (300, 270006), (330, 245460), (360, 225005), (396, 204550), (440, 184095), (450, 180004), (495, 163640), (550, 147276), (600, 135003), (660, 122730), (792, 102275), (825, 98184), (900, 90002), (990, 81820), (1100, 73638), (1320, 61365), (1650, 49092), (1800, 45001), (1980, 40910), (2200, 36819), (2475, 32728), (3300, 24546), (3960, 20455), (4091, 19800), (4950, 16364), (6600, 12273), (8182, 9900)]