66465520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1678

約数の個数: 80

約数和(自身を含む): 172274688

約数和(自身を除く): 105809168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1607, 1880, 2068, 2585, 3214, 3760, 4136, 5170, 6428, 8035, 8272, 10340, 12856, 16070, 17677, 20680, 25712, 32140, 35354, 41360, 64280, 70708, 75529, 88385, 128560, 141416, 151058, 176770, 282832, 302116, 353540, 377645, 604232, 707080, 755290, 830819, 1208464, 1414160, 1510580, 1661638, 3021160, 3323276, 4154095, 6042320, 6646552, 8308190, 13293104, 16616380, 33232760, 66465520]

約数ペア:

[(1, 66465520), (2, 33232760), (4, 16616380), (5, 13293104), (8, 8308190), (10, 6646552), (11, 6042320), (16, 4154095), (20, 3323276), (22, 3021160), (40, 1661638), (44, 1510580), (47, 1414160), (55, 1208464), (80, 830819), (88, 755290), (94, 707080), (110, 604232), (176, 377645), (188, 353540), (220, 302116), (235, 282832), (376, 176770), (440, 151058), (470, 141416), (517, 128560), (752, 88385), (880, 75529), (940, 70708), (1034, 64280), (1607, 41360), (1880, 35354), (2068, 32140), (2585, 25712), (3214, 20680), (3760, 17677), (4136, 16070), (5170, 12856), (6428, 10340), (8035, 8272)]