28095840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 97297200

約数和(自身を除く): 69201360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 179, 180, 218, 240, 288, 327, 358, 360, 436, 480, 537, 545, 654, 716, 720, 872, 895, 981, 1074, 1090, 1308, 1432, 1440, 1611, 1635, 1744, 1790, 1962, 2148, 2180, 2616, 2685, 2864, 3222, 3270, 3488, 3580, 3924, 4296, 4360, 4905, 5232, 5370, 5728, 6444, 6540, 7160, 7848, 8055, 8592, 8720, 9810, 10464, 10740, 12888, 13080, 14320, 15696, 16110, 17184, 17440, 19511, 19620, 21480, 25776, 26160, 28640, 31392, 32220, 39022, 39240, 42960, 51552, 52320, 58533, 64440, 78044, 78480, 85920, 97555, 117066, 128880, 156088, 156960, 175599, 195110, 234132, 257760, 292665, 312176, 351198, 390220, 468264, 585330, 624352, 702396, 780440, 877995, 936528, 1170660, 1404792, 1560880, 1755990, 1873056, 2341320, 2809584, 3121760, 3511980, 4682640, 5619168, 7023960, 9365280, 14047920, 28095840]

約数ペア:

[(1, 28095840), (2, 14047920), (3, 9365280), (4, 7023960), (5, 5619168), (6, 4682640), (8, 3511980), (9, 3121760), (10, 2809584), (12, 2341320), (15, 1873056), (16, 1755990), (18, 1560880), (20, 1404792), (24, 1170660), (30, 936528), (32, 877995), (36, 780440), (40, 702396), (45, 624352), (48, 585330), (60, 468264), (72, 390220), (80, 351198), (90, 312176), (96, 292665), (109, 257760), (120, 234132), (144, 195110), (160, 175599), (179, 156960), (180, 156088), (218, 128880), (240, 117066), (288, 97555), (327, 85920), (358, 78480), (360, 78044), (436, 64440), (480, 58533), (537, 52320), (545, 51552), (654, 42960), (716, 39240), (720, 39022), (872, 32220), (895, 31392), (981, 28640), (1074, 26160), (1090, 25776), (1308, 21480), (1432, 19620), (1440, 19511), (1611, 17440), (1635, 17184), (1744, 16110), (1790, 15696), (1962, 14320), (2148, 13080), (2180, 12888), (2616, 10740), (2685, 10464), (2864, 9810), (3222, 8720), (3270, 8592), (3488, 8055), (3580, 7848), (3924, 7160), (4296, 6540), (4360, 6444), (4905, 5728), (5232, 5370)]