28011600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 180

約数和(自身を含む): 100743552

約数和(自身を除く): 72731952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 180, 186, 200, 225, 240, 248, 251, 279, 300, 310, 360, 372, 400, 450, 465, 496, 502, 558, 600, 620, 720, 744, 753, 775, 900, 930, 1004, 1116, 1200, 1240, 1255, 1395, 1488, 1506, 1550, 1800, 1860, 2008, 2232, 2259, 2325, 2480, 2510, 2790, 3012, 3100, 3600, 3720, 3765, 4016, 4464, 4518, 4650, 5020, 5580, 6024, 6200, 6275, 6975, 7440, 7530, 7781, 9036, 9300, 10040, 11160, 11295, 12048, 12400, 12550, 13950, 15060, 15562, 18072, 18600, 18825, 20080, 22320, 22590, 23343, 25100, 27900, 30120, 31124, 36144, 37200, 37650, 38905, 45180, 46686, 50200, 55800, 56475, 60240, 62248, 70029, 75300, 77810, 90360, 93372, 100400, 111600, 112950, 116715, 124496, 140058, 150600, 155620, 180720, 186744, 194525, 225900, 233430, 280116, 301200, 311240, 350145, 373488, 389050, 451800, 466860, 560232, 583575, 622480, 700290, 778100, 903600, 933720, 1120464, 1167150, 1400580, 1556200, 1750725, 1867440, 2334300, 2801160, 3112400, 3501450, 4668600, 5602320, 7002900, 9337200, 14005800, 28011600]

約数ペア:

[(1, 28011600), (2, 14005800), (3, 9337200), (4, 7002900), (5, 5602320), (6, 4668600), (8, 3501450), (9, 3112400), (10, 2801160), (12, 2334300), (15, 1867440), (16, 1750725), (18, 1556200), (20, 1400580), (24, 1167150), (25, 1120464), (30, 933720), (31, 903600), (36, 778100), (40, 700290), (45, 622480), (48, 583575), (50, 560232), (60, 466860), (62, 451800), (72, 389050), (75, 373488), (80, 350145), (90, 311240), (93, 301200), (100, 280116), (120, 233430), (124, 225900), (144, 194525), (150, 186744), (155, 180720), (180, 155620), (186, 150600), (200, 140058), (225, 124496), (240, 116715), (248, 112950), (251, 111600), (279, 100400), (300, 93372), (310, 90360), (360, 77810), (372, 75300), (400, 70029), (450, 62248), (465, 60240), (496, 56475), (502, 55800), (558, 50200), (600, 46686), (620, 45180), (720, 38905), (744, 37650), (753, 37200), (775, 36144), (900, 31124), (930, 30120), (1004, 27900), (1116, 25100), (1200, 23343), (1240, 22590), (1255, 22320), (1395, 20080), (1488, 18825), (1506, 18600), (1550, 18072), (1800, 15562), (1860, 15060), (2008, 13950), (2232, 12550), (2259, 12400), (2325, 12048), (2480, 11295), (2510, 11160), (2790, 10040), (3012, 9300), (3100, 9036), (3600, 7781), (3720, 7530), (3765, 7440), (4016, 6975), (4464, 6275), (4518, 6200), (4650, 6024), (5020, 5580)]