81413640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 384

約数和(自身を含む): 344736000

約数和(自身を除く): 263322360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 89, 90, 99, 105, 108, 110, 120, 121, 126, 132, 135, 140, 154, 165, 168, 178, 180, 189, 198, 210, 216, 220, 231, 242, 252, 264, 267, 270, 280, 297, 308, 315, 330, 356, 360, 363, 378, 385, 396, 420, 440, 445, 462, 484, 495, 504, 534, 540, 594, 605, 616, 623, 630, 660, 693, 712, 726, 756, 770, 792, 801, 840, 847, 890, 924, 945, 968, 979, 990, 1068, 1080, 1089, 1155, 1188, 1210, 1246, 1260, 1320, 1335, 1386, 1452, 1485, 1512, 1540, 1602, 1694, 1780, 1815, 1848, 1869, 1890, 1958, 1980, 2079, 2136, 2178, 2310, 2376, 2403, 2420, 2492, 2520, 2541, 2670, 2772, 2904, 2937, 2970, 3080, 3115, 3204, 3267, 3388, 3465, 3560, 3630, 3738, 3780, 3916, 3960, 4005, 4158, 4235, 4356, 4620, 4806, 4840, 4895, 4984, 5082, 5340, 5445, 5544, 5607, 5874, 5940, 6230, 6408, 6534, 6776, 6853, 6930, 7260, 7476, 7560, 7623, 7832, 8010, 8316, 8470, 8712, 8811, 9240, 9345, 9612, 9790, 10164, 10395, 10680, 10769, 10890, 11214, 11748, 11880, 12015, 12460, 12705, 13068, 13706, 13860, 14520, 14685, 14952, 15246, 16020, 16335, 16632, 16821, 16940, 17622, 18690, 19224, 19580, 20328, 20559, 20790, 21538, 21780, 22428, 22869, 23496, 24030, 24920, 25410, 26136, 26433, 27412, 27720, 28035, 29370, 30492, 32040, 32307, 32670, 33642, 33880, 34265, 35244, 37380, 38115, 39160, 41118, 41580, 43076, 43560, 44055, 44856, 45738, 48060, 50820, 52866, 53845, 54824, 56070, 58740, 60984, 61677, 64614, 65340, 67284, 68530, 70488, 74760, 75383, 76230, 82236, 83160, 84105, 86152, 88110, 91476, 96120, 96921, 101640, 102795, 105732, 107690, 112140, 114345, 117480, 123354, 129228, 130680, 132165, 134568, 137060, 150766, 152460, 161535, 164472, 168210, 176220, 182952, 185031, 193842, 205590, 211464, 215380, 224280, 226149, 228690, 246708, 258456, 264330, 274120, 290763, 301532, 304920, 308385, 323070, 336420, 352440, 370062, 376915, 387684, 411180, 430760, 452298, 457380, 484605, 493416, 528660, 581526, 603064, 616770, 646140, 672840, 678447, 740124, 753830, 775368, 822360, 904596, 914760, 925155, 969210, 1057320, 1130745, 1163052, 1233540, 1292280, 1356894, 1453815, 1480248, 1507660, 1809192, 1850310, 1938420, 2035341, 2261490, 2326104, 2467080, 2713788, 2907630, 3015320, 3392235, 3700620, 3876840, 4070682, 4522980, 5427576, 5815260, 6784470, 7401240, 8141364, 9045960, 10176705, 11630520, 13568940, 16282728, 20353410, 27137880, 40706820, 81413640]

約数ペア:

[(1, 81413640), (2, 40706820), (3, 27137880), (4, 20353410), (5, 16282728), (6, 13568940), (7, 11630520), (8, 10176705), (9, 9045960), (10, 8141364), (11, 7401240), (12, 6784470), (14, 5815260), (15, 5427576), (18, 4522980), (20, 4070682), (21, 3876840), (22, 3700620), (24, 3392235), (27, 3015320), (28, 2907630), (30, 2713788), (33, 2467080), (35, 2326104), (36, 2261490), (40, 2035341), (42, 1938420), (44, 1850310), (45, 1809192), (54, 1507660), (55, 1480248), (56, 1453815), (60, 1356894), (63, 1292280), (66, 1233540), (70, 1163052), (72, 1130745), (77, 1057320), (84, 969210), (88, 925155), (89, 914760), (90, 904596), (99, 822360), (105, 775368), (108, 753830), (110, 740124), (120, 678447), (121, 672840), (126, 646140), (132, 616770), (135, 603064), (140, 581526), (154, 528660), (165, 493416), (168, 484605), (178, 457380), (180, 452298), (189, 430760), (198, 411180), (210, 387684), (216, 376915), (220, 370062), (231, 352440), (242, 336420), (252, 323070), (264, 308385), (267, 304920), (270, 301532), (280, 290763), (297, 274120), (308, 264330), (315, 258456), (330, 246708), (356, 228690), (360, 226149), (363, 224280), (378, 215380), (385, 211464), (396, 205590), (420, 193842), (440, 185031), (445, 182952), (462, 176220), (484, 168210), (495, 164472), (504, 161535), (534, 152460), (540, 150766), (594, 137060), (605, 134568), (616, 132165), (623, 130680), (630, 129228), (660, 123354), (693, 117480), (712, 114345), (726, 112140), (756, 107690), (770, 105732), (792, 102795), (801, 101640), (840, 96921), (847, 96120), (890, 91476), (924, 88110), (945, 86152), (968, 84105), (979, 83160), (990, 82236), (1068, 76230), (1080, 75383), (1089, 74760), (1155, 70488), (1188, 68530), (1210, 67284), (1246, 65340), (1260, 64614), (1320, 61677), (1335, 60984), (1386, 58740), (1452, 56070), (1485, 54824), (1512, 53845), (1540, 52866), (1602, 50820), (1694, 48060), (1780, 45738), (1815, 44856), (1848, 44055), (1869, 43560), (1890, 43076), (1958, 41580), (1980, 41118), (2079, 39160), (2136, 38115), (2178, 37380), (2310, 35244), (2376, 34265), (2403, 33880), (2420, 33642), (2492, 32670), (2520, 32307), (2541, 32040), (2670, 30492), (2772, 29370), (2904, 28035), (2937, 27720), (2970, 27412), (3080, 26433), (3115, 26136), (3204, 25410), (3267, 24920), (3388, 24030), (3465, 23496), (3560, 22869), (3630, 22428), (3738, 21780), (3780, 21538), (3916, 20790), (3960, 20559), (4005, 20328), (4158, 19580), (4235, 19224), (4356, 18690), (4620, 17622), (4806, 16940), (4840, 16821), (4895, 16632), (4984, 16335), (5082, 16020), (5340, 15246), (5445, 14952), (5544, 14685), (5607, 14520), (5874, 13860), (5940, 13706), (6230, 13068), (6408, 12705), (6534, 12460), (6776, 12015), (6853, 11880), (6930, 11748), (7260, 11214), (7476, 10890), (7560, 10769), (7623, 10680), (7832, 10395), (8010, 10164), (8316, 9790), (8470, 9612), (8712, 9345), (8811, 9240)]