28638000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 240

約数和(自身を含む): 105115296

約数和(自身を除く): 76477296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 37, 40, 43, 45, 48, 50, 60, 72, 74, 75, 80, 86, 90, 100, 111, 120, 125, 129, 144, 148, 150, 172, 180, 185, 200, 215, 222, 225, 240, 250, 258, 296, 300, 333, 344, 360, 370, 375, 387, 400, 430, 444, 450, 500, 516, 555, 592, 600, 645, 666, 688, 720, 740, 750, 774, 860, 888, 900, 925, 1000, 1032, 1075, 1110, 1125, 1200, 1290, 1332, 1480, 1500, 1548, 1591, 1665, 1720, 1776, 1800, 1850, 1935, 2000, 2064, 2150, 2220, 2250, 2580, 2664, 2775, 2960, 3000, 3096, 3182, 3225, 3330, 3440, 3600, 3700, 3870, 4300, 4440, 4500, 4625, 4773, 5160, 5328, 5375, 5550, 6000, 6192, 6364, 6450, 6660, 7400, 7740, 7955, 8325, 8600, 8880, 9000, 9250, 9546, 9675, 10320, 10750, 11100, 12728, 12900, 13320, 13875, 14319, 14800, 15480, 15910, 16125, 16650, 17200, 18000, 18500, 19092, 19350, 21500, 22200, 23865, 25456, 25800, 26640, 27750, 28638, 30960, 31820, 32250, 33300, 37000, 38184, 38700, 39775, 41625, 43000, 44400, 47730, 48375, 51600, 55500, 57276, 63640, 64500, 66600, 71595, 74000, 76368, 77400, 79550, 83250, 86000, 95460, 96750, 111000, 114552, 119325, 127280, 129000, 133200, 143190, 154800, 159100, 166500, 190920, 193500, 198875, 222000, 229104, 238650, 258000, 286380, 318200, 333000, 357975, 381840, 387000, 397750, 477300, 572760, 596625, 636400, 666000, 715950, 774000, 795500, 954600, 1145520, 1193250, 1431900, 1591000, 1789875, 1909200, 2386500, 2863800, 3182000, 3579750, 4773000, 5727600, 7159500, 9546000, 14319000, 28638000]

約数ペア:

[(1, 28638000), (2, 14319000), (3, 9546000), (4, 7159500), (5, 5727600), (6, 4773000), (8, 3579750), (9, 3182000), (10, 2863800), (12, 2386500), (15, 1909200), (16, 1789875), (18, 1591000), (20, 1431900), (24, 1193250), (25, 1145520), (30, 954600), (36, 795500), (37, 774000), (40, 715950), (43, 666000), (45, 636400), (48, 596625), (50, 572760), (60, 477300), (72, 397750), (74, 387000), (75, 381840), (80, 357975), (86, 333000), (90, 318200), (100, 286380), (111, 258000), (120, 238650), (125, 229104), (129, 222000), (144, 198875), (148, 193500), (150, 190920), (172, 166500), (180, 159100), (185, 154800), (200, 143190), (215, 133200), (222, 129000), (225, 127280), (240, 119325), (250, 114552), (258, 111000), (296, 96750), (300, 95460), (333, 86000), (344, 83250), (360, 79550), (370, 77400), (375, 76368), (387, 74000), (400, 71595), (430, 66600), (444, 64500), (450, 63640), (500, 57276), (516, 55500), (555, 51600), (592, 48375), (600, 47730), (645, 44400), (666, 43000), (688, 41625), (720, 39775), (740, 38700), (750, 38184), (774, 37000), (860, 33300), (888, 32250), (900, 31820), (925, 30960), (1000, 28638), (1032, 27750), (1075, 26640), (1110, 25800), (1125, 25456), (1200, 23865), (1290, 22200), (1332, 21500), (1480, 19350), (1500, 19092), (1548, 18500), (1591, 18000), (1665, 17200), (1720, 16650), (1776, 16125), (1800, 15910), (1850, 15480), (1935, 14800), (2000, 14319), (2064, 13875), (2150, 13320), (2220, 12900), (2250, 12728), (2580, 11100), (2664, 10750), (2775, 10320), (2960, 9675), (3000, 9546), (3096, 9250), (3182, 9000), (3225, 8880), (3330, 8600), (3440, 8325), (3600, 7955), (3700, 7740), (3870, 7400), (4300, 6660), (4440, 6450), (4500, 6364), (4625, 6192), (4773, 6000), (5160, 5550), (5328, 5375)]