87561320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28429}}^1$

素因数の和:28458

約数の個数: 64

約数和(自身を含む): 245635200

約数和(自身を除く): 158073880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 28429, 56858, 113716, 142145, 199003, 227432, 284290, 312719, 398006, 568580, 625438, 796012, 995015, 1137160, 1250876, 1563595, 1592024, 1990030, 2189033, 2501752, 3127190, 3980060, 4378066, 6254380, 7960120, 8756132, 10945165, 12508760, 17512264, 21890330, 43780660, 87561320]

約数ペア:

[(1, 87561320), (2, 43780660), (4, 21890330), (5, 17512264), (7, 12508760), (8, 10945165), (10, 8756132), (11, 7960120), (14, 6254380), (20, 4378066), (22, 3980060), (28, 3127190), (35, 2501752), (40, 2189033), (44, 1990030), (55, 1592024), (56, 1563595), (70, 1250876), (77, 1137160), (88, 995015), (110, 796012), (140, 625438), (154, 568580), (220, 398006), (280, 312719), (308, 284290), (385, 227432), (440, 199003), (616, 142145), (770, 113716), (1540, 56858), (3080, 28429)]