27858560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 73440000

約数和(自身を除く): 45581440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 79, 80, 95, 116, 128, 145, 152, 158, 160, 190, 232, 290, 304, 316, 320, 380, 395, 464, 551, 580, 608, 632, 640, 760, 790, 928, 1102, 1160, 1216, 1264, 1501, 1520, 1580, 1856, 2204, 2291, 2320, 2432, 2528, 2755, 3002, 3040, 3160, 3712, 4408, 4582, 4640, 5056, 5510, 6004, 6080, 6320, 7505, 8816, 9164, 9280, 10112, 11020, 11455, 12008, 12160, 12640, 15010, 17632, 18328, 18560, 22040, 22910, 24016, 25280, 30020, 35264, 36656, 43529, 44080, 45820, 48032, 50560, 60040, 70528, 73312, 87058, 88160, 91640, 96064, 120080, 146624, 174116, 176320, 183280, 192128, 217645, 240160, 293248, 348232, 352640, 366560, 435290, 480320, 696464, 733120, 870580, 960640, 1392928, 1466240, 1741160, 2785856, 3482320, 5571712, 6964640, 13929280, 27858560]

約数ペア:

[(1, 27858560), (2, 13929280), (4, 6964640), (5, 5571712), (8, 3482320), (10, 2785856), (16, 1741160), (19, 1466240), (20, 1392928), (29, 960640), (32, 870580), (38, 733120), (40, 696464), (58, 480320), (64, 435290), (76, 366560), (79, 352640), (80, 348232), (95, 293248), (116, 240160), (128, 217645), (145, 192128), (152, 183280), (158, 176320), (160, 174116), (190, 146624), (232, 120080), (290, 96064), (304, 91640), (316, 88160), (320, 87058), (380, 73312), (395, 70528), (464, 60040), (551, 50560), (580, 48032), (608, 45820), (632, 44080), (640, 43529), (760, 36656), (790, 35264), (928, 30020), (1102, 25280), (1160, 24016), (1216, 22910), (1264, 22040), (1501, 18560), (1520, 18328), (1580, 17632), (1856, 15010), (2204, 12640), (2291, 12160), (2320, 12008), (2432, 11455), (2528, 11020), (2755, 10112), (3002, 9280), (3040, 9164), (3160, 8816), (3712, 7505), (4408, 6320), (4582, 6080), (4640, 6004), (5056, 5510)]