156615280

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1894

約数の個数: 80

約数和(自身を含む): 388260864

約数和(自身を除く): 231645584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 1081, 1811, 1840, 1880, 2162, 3622, 3760, 4324, 5405, 7244, 8648, 9055, 10810, 14488, 17296, 18110, 21620, 28976, 36220, 41653, 43240, 72440, 83306, 85117, 86480, 144880, 166612, 170234, 208265, 333224, 340468, 416530, 425585, 666448, 680936, 833060, 851170, 1361872, 1666120, 1702340, 1957691, 3332240, 3404680, 3915382, 6809360, 7830764, 9788455, 15661528, 19576910, 31323056, 39153820, 78307640, 156615280]

約数ペア:

[(1, 156615280), (2, 78307640), (4, 39153820), (5, 31323056), (8, 19576910), (10, 15661528), (16, 9788455), (20, 7830764), (23, 6809360), (40, 3915382), (46, 3404680), (47, 3332240), (80, 1957691), (92, 1702340), (94, 1666120), (115, 1361872), (184, 851170), (188, 833060), (230, 680936), (235, 666448), (368, 425585), (376, 416530), (460, 340468), (470, 333224), (752, 208265), (920, 170234), (940, 166612), (1081, 144880), (1811, 86480), (1840, 85117), (1880, 83306), (2162, 72440), (3622, 43240), (3760, 41653), (4324, 36220), (5405, 28976), (7244, 21620), (8648, 18110), (9055, 17296), (10810, 14488)]