28024920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:375

約数の個数: 256

約数和(自身を含む): 116812800

約数和(自身を除く): 88787880

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, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 337, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 674, 693, 756, 770, 792, 840, 924, 945, 990, 1011, 1080, 1155, 1188, 1260, 1320, 1348, 1386, 1485, 1512, 1540, 1685, 1848, 1890, 1980, 2022, 2079, 2310, 2359, 2376, 2520, 2696, 2772, 2970, 3033, 3080, 3370, 3465, 3707, 3780, 3960, 4044, 4158, 4620, 4718, 5055, 5544, 5940, 6066, 6740, 6930, 7077, 7414, 7560, 8088, 8316, 9099, 9240, 9436, 10110, 10395, 11121, 11795, 11880, 12132, 13480, 13860, 14154, 14828, 15165, 16632, 18198, 18535, 18872, 20220, 20790, 21231, 22242, 23590, 24264, 25949, 27720, 28308, 29656, 30330, 33363, 35385, 36396, 37070, 40440, 41580, 42462, 44484, 45495, 47180, 51898, 55605, 56616, 60660, 63693, 66726, 70770, 72792, 74140, 77847, 83160, 84924, 88968, 90990, 94360, 100089, 103796, 106155, 111210, 121320, 127386, 129745, 133452, 141540, 148280, 155694, 166815, 169848, 181980, 200178, 207592, 212310, 222420, 233541, 254772, 259490, 266904, 283080, 311388, 318465, 333630, 363960, 389235, 400356, 424620, 444840, 467082, 500445, 509544, 518980, 622776, 636930, 667260, 700623, 778470, 800712, 849240, 934164, 1000890, 1037960, 1167705, 1273860, 1334520, 1401246, 1556940, 1868328, 2001780, 2335410, 2547720, 2802492, 3113880, 3503115, 4003560, 4670820, 5604984, 7006230, 9341640, 14012460, 28024920]

約数ペア:

[(1, 28024920), (2, 14012460), (3, 9341640), (4, 7006230), (5, 5604984), (6, 4670820), (7, 4003560), (8, 3503115), (9, 3113880), (10, 2802492), (11, 2547720), (12, 2335410), (14, 2001780), (15, 1868328), (18, 1556940), (20, 1401246), (21, 1334520), (22, 1273860), (24, 1167705), (27, 1037960), (28, 1000890), (30, 934164), (33, 849240), (35, 800712), (36, 778470), (40, 700623), (42, 667260), (44, 636930), (45, 622776), (54, 518980), (55, 509544), (56, 500445), (60, 467082), (63, 444840), (66, 424620), (70, 400356), (72, 389235), (77, 363960), (84, 333630), (88, 318465), (90, 311388), (99, 283080), (105, 266904), (108, 259490), (110, 254772), (120, 233541), (126, 222420), (132, 212310), (135, 207592), (140, 200178), (154, 181980), (165, 169848), (168, 166815), (180, 155694), (189, 148280), (198, 141540), (210, 133452), (216, 129745), (220, 127386), (231, 121320), (252, 111210), (264, 106155), (270, 103796), (280, 100089), (297, 94360), (308, 90990), (315, 88968), (330, 84924), (337, 83160), (360, 77847), (378, 74140), (385, 72792), (396, 70770), (420, 66726), (440, 63693), (462, 60660), (495, 56616), (504, 55605), (540, 51898), (594, 47180), (616, 45495), (630, 44484), (660, 42462), (674, 41580), (693, 40440), (756, 37070), (770, 36396), (792, 35385), (840, 33363), (924, 30330), (945, 29656), (990, 28308), (1011, 27720), (1080, 25949), (1155, 24264), (1188, 23590), (1260, 22242), (1320, 21231), (1348, 20790), (1386, 20220), (1485, 18872), (1512, 18535), (1540, 18198), (1685, 16632), (1848, 15165), (1890, 14828), (1980, 14154), (2022, 13860), (2079, 13480), (2310, 12132), (2359, 11880), (2376, 11795), (2520, 11121), (2696, 10395), (2772, 10110), (2970, 9436), (3033, 9240), (3080, 9099), (3370, 8316), (3465, 8088), (3707, 7560), (3780, 7414), (3960, 7077), (4044, 6930), (4158, 6740), (4620, 6066), (4718, 5940), (5055, 5544)]