81015000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 276661440

約数和(自身を除く): 195646440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 491, 500, 550, 600, 625, 660, 750, 825, 982, 1000, 1100, 1250, 1320, 1375, 1473, 1500, 1650, 1875, 1964, 2200, 2455, 2500, 2750, 2946, 3000, 3300, 3750, 3928, 4125, 4910, 5000, 5401, 5500, 5892, 6600, 6875, 7365, 7500, 8250, 9820, 10802, 11000, 11784, 12275, 13750, 14730, 15000, 16203, 16500, 19640, 20625, 21604, 24550, 27005, 27500, 29460, 32406, 33000, 36825, 41250, 43208, 49100, 54010, 55000, 58920, 61375, 64812, 73650, 81015, 82500, 98200, 108020, 122750, 129624, 135025, 147300, 162030, 165000, 184125, 216040, 245500, 270050, 294600, 306875, 324060, 368250, 405075, 491000, 540100, 613750, 648120, 675125, 736500, 810150, 920625, 1080200, 1227500, 1350250, 1473000, 1620300, 1841250, 2025375, 2455000, 2700500, 3240600, 3375625, 3682500, 4050750, 5401000, 6751250, 7365000, 8101500, 10126875, 13502500, 16203000, 20253750, 27005000, 40507500, 81015000]

約数ペア:

[(1, 81015000), (2, 40507500), (3, 27005000), (4, 20253750), (5, 16203000), (6, 13502500), (8, 10126875), (10, 8101500), (11, 7365000), (12, 6751250), (15, 5401000), (20, 4050750), (22, 3682500), (24, 3375625), (25, 3240600), (30, 2700500), (33, 2455000), (40, 2025375), (44, 1841250), (50, 1620300), (55, 1473000), (60, 1350250), (66, 1227500), (75, 1080200), (88, 920625), (100, 810150), (110, 736500), (120, 675125), (125, 648120), (132, 613750), (150, 540100), (165, 491000), (200, 405075), (220, 368250), (250, 324060), (264, 306875), (275, 294600), (300, 270050), (330, 245500), (375, 216040), (440, 184125), (491, 165000), (500, 162030), (550, 147300), (600, 135025), (625, 129624), (660, 122750), (750, 108020), (825, 98200), (982, 82500), (1000, 81015), (1100, 73650), (1250, 64812), (1320, 61375), (1375, 58920), (1473, 55000), (1500, 54010), (1650, 49100), (1875, 43208), (1964, 41250), (2200, 36825), (2455, 33000), (2500, 32406), (2750, 29460), (2946, 27500), (3000, 27005), (3300, 24550), (3750, 21604), (3928, 20625), (4125, 19640), (4910, 16500), (5000, 16203), (5401, 15000), (5500, 14730), (5892, 13750), (6600, 12275), (6875, 11784), (7365, 11000), (7500, 10802), (8250, 9820)]