31607680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 84823200

約数和(自身を除く): 53215520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 131, 145, 160, 208, 232, 260, 262, 290, 320, 377, 416, 464, 520, 524, 580, 640, 655, 754, 832, 928, 1040, 1048, 1160, 1310, 1508, 1664, 1703, 1856, 1885, 2080, 2096, 2320, 2620, 3016, 3406, 3712, 3770, 3799, 4160, 4192, 4640, 5240, 6032, 6812, 7540, 7598, 8320, 8384, 8515, 9280, 10480, 12064, 13624, 15080, 15196, 16768, 17030, 18560, 18995, 20960, 24128, 27248, 30160, 30392, 34060, 37990, 41920, 48256, 49387, 54496, 60320, 60784, 68120, 75980, 83840, 98774, 108992, 120640, 121568, 136240, 151960, 197548, 217984, 241280, 243136, 246935, 272480, 303920, 395096, 486272, 493870, 544960, 607840, 790192, 987740, 1089920, 1215680, 1580384, 1975480, 2431360, 3160768, 3950960, 6321536, 7901920, 15803840, 31607680]

約数ペア:

[(1, 31607680), (2, 15803840), (4, 7901920), (5, 6321536), (8, 3950960), (10, 3160768), (13, 2431360), (16, 1975480), (20, 1580384), (26, 1215680), (29, 1089920), (32, 987740), (40, 790192), (52, 607840), (58, 544960), (64, 493870), (65, 486272), (80, 395096), (104, 303920), (116, 272480), (128, 246935), (130, 243136), (131, 241280), (145, 217984), (160, 197548), (208, 151960), (232, 136240), (260, 121568), (262, 120640), (290, 108992), (320, 98774), (377, 83840), (416, 75980), (464, 68120), (520, 60784), (524, 60320), (580, 54496), (640, 49387), (655, 48256), (754, 41920), (832, 37990), (928, 34060), (1040, 30392), (1048, 30160), (1160, 27248), (1310, 24128), (1508, 20960), (1664, 18995), (1703, 18560), (1856, 17030), (1885, 16768), (2080, 15196), (2096, 15080), (2320, 13624), (2620, 12064), (3016, 10480), (3406, 9280), (3712, 8515), (3770, 8384), (3799, 8320), (4160, 7598), (4192, 7540), (4640, 6812), (5240, 6032)]