220801280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1344

約数の個数: 144

約数和(自身を含む): 636746880

約数和(自身を除く): 415945600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1297, 1330, 1520, 1792, 2128, 2240, 2432, 2594, 2660, 3040, 4256, 4480, 4864, 5188, 5320, 6080, 6485, 8512, 8960, 9079, 10376, 10640, 12160, 12970, 17024, 18158, 20752, 21280, 24320, 24643, 25940, 34048, 36316, 41504, 42560, 45395, 49286, 51880, 72632, 83008, 85120, 90790, 98572, 103760, 123215, 145264, 166016, 170240, 172501, 181580, 197144, 207520, 246430, 290528, 332032, 345002, 363160, 394288, 415040, 492860, 581056, 690004, 726320, 788576, 830080, 862505, 985720, 1162112, 1380008, 1452640, 1577152, 1660160, 1725010, 1971440, 2324224, 2760016, 2905280, 3154304, 3450020, 3942880, 5520032, 5810560, 6308608, 6900040, 7885760, 11040064, 11621120, 13800080, 15771520, 22080128, 27600160, 31543040, 44160256, 55200320, 110400640, 220801280]

約数ペア:

[(1, 220801280), (2, 110400640), (4, 55200320), (5, 44160256), (7, 31543040), (8, 27600160), (10, 22080128), (14, 15771520), (16, 13800080), (19, 11621120), (20, 11040064), (28, 7885760), (32, 6900040), (35, 6308608), (38, 5810560), (40, 5520032), (56, 3942880), (64, 3450020), (70, 3154304), (76, 2905280), (80, 2760016), (95, 2324224), (112, 1971440), (128, 1725010), (133, 1660160), (140, 1577152), (152, 1452640), (160, 1380008), (190, 1162112), (224, 985720), (256, 862505), (266, 830080), (280, 788576), (304, 726320), (320, 690004), (380, 581056), (448, 492860), (532, 415040), (560, 394288), (608, 363160), (640, 345002), (665, 332032), (760, 290528), (896, 246430), (1064, 207520), (1120, 197144), (1216, 181580), (1280, 172501), (1297, 170240), (1330, 166016), (1520, 145264), (1792, 123215), (2128, 103760), (2240, 98572), (2432, 90790), (2594, 85120), (2660, 83008), (3040, 72632), (4256, 51880), (4480, 49286), (4864, 45395), (5188, 42560), (5320, 41504), (6080, 36316), (6485, 34048), (8512, 25940), (8960, 24643), (9079, 24320), (10376, 21280), (10640, 20752), (12160, 18158), (12970, 17024)]