81405000

素因数分解:

$2^3\times 3^5\times 5^4\times {\mathrm{67}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 289969680

約数和(自身を除く): 208564680

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, 67, 72, 75, 81, 90, 100, 108, 120, 125, 134, 135, 150, 162, 180, 200, 201, 216, 225, 243, 250, 268, 270, 300, 324, 335, 360, 375, 402, 405, 450, 486, 500, 536, 540, 600, 603, 625, 648, 670, 675, 750, 804, 810, 900, 972, 1000, 1005, 1080, 1125, 1206, 1215, 1250, 1340, 1350, 1500, 1608, 1620, 1675, 1800, 1809, 1875, 1944, 2010, 2025, 2250, 2412, 2430, 2500, 2680, 2700, 3000, 3015, 3240, 3350, 3375, 3618, 3750, 4020, 4050, 4500, 4824, 4860, 5000, 5025, 5400, 5427, 5625, 6030, 6075, 6700, 6750, 7236, 7500, 8040, 8100, 8375, 9000, 9045, 9720, 10050, 10125, 10854, 11250, 12060, 12150, 13400, 13500, 14472, 15000, 15075, 16200, 16281, 16750, 16875, 18090, 20100, 20250, 21708, 22500, 24120, 24300, 25125, 27000, 27135, 30150, 30375, 32562, 33500, 33750, 36180, 40200, 40500, 41875, 43416, 45000, 45225, 48600, 50250, 50625, 54270, 60300, 60750, 65124, 67000, 67500, 72360, 75375, 81000, 81405, 83750, 90450, 100500, 101250, 108540, 120600, 121500, 125625, 130248, 135000, 135675, 150750, 151875, 162810, 167500, 180900, 201000, 202500, 217080, 226125, 243000, 251250, 271350, 301500, 303750, 325620, 335000, 361800, 376875, 405000, 407025, 452250, 502500, 542700, 603000, 607500, 651240, 678375, 753750, 814050, 904500, 1005000, 1085400, 1130625, 1215000, 1356750, 1507500, 1628100, 1809000, 2035125, 2261250, 2713500, 3015000, 3256200, 3391875, 4070250, 4522500, 5427000, 6783750, 8140500, 9045000, 10175625, 13567500, 16281000, 20351250, 27135000, 40702500, 81405000]

約数ペア:

[(1, 81405000), (2, 40702500), (3, 27135000), (4, 20351250), (5, 16281000), (6, 13567500), (8, 10175625), (9, 9045000), (10, 8140500), (12, 6783750), (15, 5427000), (18, 4522500), (20, 4070250), (24, 3391875), (25, 3256200), (27, 3015000), (30, 2713500), (36, 2261250), (40, 2035125), (45, 1809000), (50, 1628100), (54, 1507500), (60, 1356750), (67, 1215000), (72, 1130625), (75, 1085400), (81, 1005000), (90, 904500), (100, 814050), (108, 753750), (120, 678375), (125, 651240), (134, 607500), (135, 603000), (150, 542700), (162, 502500), (180, 452250), (200, 407025), (201, 405000), (216, 376875), (225, 361800), (243, 335000), (250, 325620), (268, 303750), (270, 301500), (300, 271350), (324, 251250), (335, 243000), (360, 226125), (375, 217080), (402, 202500), (405, 201000), (450, 180900), (486, 167500), (500, 162810), (536, 151875), (540, 150750), (600, 135675), (603, 135000), (625, 130248), (648, 125625), (670, 121500), (675, 120600), (750, 108540), (804, 101250), (810, 100500), (900, 90450), (972, 83750), (1000, 81405), (1005, 81000), (1080, 75375), (1125, 72360), (1206, 67500), (1215, 67000), (1250, 65124), (1340, 60750), (1350, 60300), (1500, 54270), (1608, 50625), (1620, 50250), (1675, 48600), (1800, 45225), (1809, 45000), (1875, 43416), (1944, 41875), (2010, 40500), (2025, 40200), (2250, 36180), (2412, 33750), (2430, 33500), (2500, 32562), (2680, 30375), (2700, 30150), (3000, 27135), (3015, 27000), (3240, 25125), (3350, 24300), (3375, 24120), (3618, 22500), (3750, 21708), (4020, 20250), (4050, 20100), (4500, 18090), (4824, 16875), (4860, 16750), (5000, 16281), (5025, 16200), (5400, 15075), (5427, 15000), (5625, 14472), (6030, 13500), (6075, 13400), (6700, 12150), (6750, 12060), (7236, 11250), (7500, 10854), (8040, 10125), (8100, 10050), (8375, 9720), (9000, 9045)]