28347840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:236

約数の個数: 224

約数和(自身を含む): 106436160

約数和(自身を除く): 78088320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 193, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 386, 408, 432, 459, 480, 510, 540, 544, 576, 579, 612, 680, 720, 765, 772, 816, 864, 918, 960, 965, 1020, 1080, 1088, 1158, 1224, 1360, 1440, 1530, 1544, 1632, 1728, 1737, 1836, 1930, 2040, 2160, 2295, 2316, 2448, 2720, 2880, 2895, 3060, 3088, 3264, 3281, 3474, 3672, 3860, 4080, 4320, 4590, 4632, 4896, 5211, 5440, 5790, 6120, 6176, 6562, 6948, 7344, 7720, 8160, 8640, 8685, 9180, 9264, 9792, 9843, 10422, 11580, 12240, 12352, 13124, 13896, 14688, 15440, 16320, 16405, 17370, 18360, 18528, 19686, 20844, 23160, 24480, 26055, 26248, 27792, 29376, 29529, 30880, 32810, 34740, 36720, 37056, 39372, 41688, 46320, 48960, 49215, 52110, 52496, 55584, 59058, 61760, 65620, 69480, 73440, 78744, 83376, 88587, 92640, 98430, 104220, 104992, 111168, 118116, 131240, 138960, 146880, 147645, 157488, 166752, 177174, 185280, 196860, 208440, 209984, 236232, 262480, 277920, 295290, 314976, 333504, 354348, 393720, 416880, 442935, 472464, 524960, 555840, 590580, 629952, 708696, 787440, 833760, 885870, 944928, 1049920, 1181160, 1417392, 1574880, 1667520, 1771740, 1889856, 2362320, 2834784, 3149760, 3543480, 4724640, 5669568, 7086960, 9449280, 14173920, 28347840]

約数ペア:

[(1, 28347840), (2, 14173920), (3, 9449280), (4, 7086960), (5, 5669568), (6, 4724640), (8, 3543480), (9, 3149760), (10, 2834784), (12, 2362320), (15, 1889856), (16, 1771740), (17, 1667520), (18, 1574880), (20, 1417392), (24, 1181160), (27, 1049920), (30, 944928), (32, 885870), (34, 833760), (36, 787440), (40, 708696), (45, 629952), (48, 590580), (51, 555840), (54, 524960), (60, 472464), (64, 442935), (68, 416880), (72, 393720), (80, 354348), (85, 333504), (90, 314976), (96, 295290), (102, 277920), (108, 262480), (120, 236232), (135, 209984), (136, 208440), (144, 196860), (153, 185280), (160, 177174), (170, 166752), (180, 157488), (192, 147645), (193, 146880), (204, 138960), (216, 131240), (240, 118116), (255, 111168), (270, 104992), (272, 104220), (288, 98430), (306, 92640), (320, 88587), (340, 83376), (360, 78744), (386, 73440), (408, 69480), (432, 65620), (459, 61760), (480, 59058), (510, 55584), (540, 52496), (544, 52110), (576, 49215), (579, 48960), (612, 46320), (680, 41688), (720, 39372), (765, 37056), (772, 36720), (816, 34740), (864, 32810), (918, 30880), (960, 29529), (965, 29376), (1020, 27792), (1080, 26248), (1088, 26055), (1158, 24480), (1224, 23160), (1360, 20844), (1440, 19686), (1530, 18528), (1544, 18360), (1632, 17370), (1728, 16405), (1737, 16320), (1836, 15440), (1930, 14688), (2040, 13896), (2160, 13124), (2295, 12352), (2316, 12240), (2448, 11580), (2720, 10422), (2880, 9843), (2895, 9792), (3060, 9264), (3088, 9180), (3264, 8685), (3281, 8640), (3474, 8160), (3672, 7720), (3860, 7344), (4080, 6948), (4320, 6562), (4590, 6176), (4632, 6120), (4896, 5790), (5211, 5440)]