28625280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:916

約数の個数: 128

約数和(自身を含む): 96720480

約数和(自身を除く): 68095200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 877, 960, 1020, 1088, 1360, 1632, 1754, 1920, 2040, 2176, 2631, 2720, 3264, 3508, 4080, 4385, 5262, 5440, 6528, 7016, 8160, 8770, 10524, 10880, 13155, 14032, 14909, 16320, 17540, 21048, 26310, 28064, 29818, 32640, 35080, 42096, 44727, 52620, 56128, 59636, 70160, 74545, 84192, 89454, 105240, 112256, 119272, 140320, 149090, 168384, 178908, 210480, 223635, 238544, 280640, 298180, 336768, 357816, 420960, 447270, 477088, 561280, 596360, 715632, 841920, 894540, 954176, 1192720, 1431264, 1683840, 1789080, 1908352, 2385440, 2862528, 3578160, 4770880, 5725056, 7156320, 9541760, 14312640, 28625280]

約数ペア:

[(1, 28625280), (2, 14312640), (3, 9541760), (4, 7156320), (5, 5725056), (6, 4770880), (8, 3578160), (10, 2862528), (12, 2385440), (15, 1908352), (16, 1789080), (17, 1683840), (20, 1431264), (24, 1192720), (30, 954176), (32, 894540), (34, 841920), (40, 715632), (48, 596360), (51, 561280), (60, 477088), (64, 447270), (68, 420960), (80, 357816), (85, 336768), (96, 298180), (102, 280640), (120, 238544), (128, 223635), (136, 210480), (160, 178908), (170, 168384), (192, 149090), (204, 140320), (240, 119272), (255, 112256), (272, 105240), (320, 89454), (340, 84192), (384, 74545), (408, 70160), (480, 59636), (510, 56128), (544, 52620), (640, 44727), (680, 42096), (816, 35080), (877, 32640), (960, 29818), (1020, 28064), (1088, 26310), (1360, 21048), (1632, 17540), (1754, 16320), (1920, 14909), (2040, 14032), (2176, 13155), (2631, 10880), (2720, 10524), (3264, 8770), (3508, 8160), (4080, 7016), (4385, 6528), (5262, 5440)]