72556720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:922

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 107431760

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, 839, 920, 940, 1081, 1678, 1840, 1880, 2162, 3356, 3760, 4195, 4324, 5405, 6712, 8390, 8648, 10810, 13424, 16780, 17296, 19297, 21620, 33560, 38594, 39433, 43240, 67120, 77188, 78866, 86480, 96485, 154376, 157732, 192970, 197165, 308752, 315464, 385940, 394330, 630928, 771880, 788660, 906959, 1543760, 1577320, 1813918, 3154640, 3627836, 4534795, 7255672, 9069590, 14511344, 18139180, 36278360, 72556720]

約数ペア:

[(1, 72556720), (2, 36278360), (4, 18139180), (5, 14511344), (8, 9069590), (10, 7255672), (16, 4534795), (20, 3627836), (23, 3154640), (40, 1813918), (46, 1577320), (47, 1543760), (80, 906959), (92, 788660), (94, 771880), (115, 630928), (184, 394330), (188, 385940), (230, 315464), (235, 308752), (368, 197165), (376, 192970), (460, 157732), (470, 154376), (752, 96485), (839, 86480), (920, 78866), (940, 77188), (1081, 67120), (1678, 43240), (1840, 39433), (1880, 38594), (2162, 33560), (3356, 21620), (3760, 19297), (4195, 17296), (4324, 16780), (5405, 13424), (6712, 10810), (8390, 8648)]