81541584

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7757}}^1$

素因数の和:7844

約数の個数: 60

約数和(自身を含む): 231359076

約数和(自身を除く): 149817492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 2628, 3504, 5256, 7757, 10512, 15514, 23271, 31028, 46542, 62056, 69813, 93084, 124112, 139626, 186168, 279252, 372336, 558504, 566261, 1117008, 1132522, 1698783, 2265044, 3397566, 4530088, 5096349, 6795132, 9060176, 10192698, 13590264, 20385396, 27180528, 40770792, 81541584]

約数ペア:

[(1, 81541584), (2, 40770792), (3, 27180528), (4, 20385396), (6, 13590264), (8, 10192698), (9, 9060176), (12, 6795132), (16, 5096349), (18, 4530088), (24, 3397566), (36, 2265044), (48, 1698783), (72, 1132522), (73, 1117008), (144, 566261), (146, 558504), (219, 372336), (292, 279252), (438, 186168), (584, 139626), (657, 124112), (876, 93084), (1168, 69813), (1314, 62056), (1752, 46542), (2628, 31028), (3504, 23271), (5256, 15514), (7757, 10512)]