78640272

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7481}}^1$

素因数の和:7568

約数の個数: 60

約数和(自身を含む): 223128204

約数和(自身を除く): 144487932

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, 7481, 10512, 14962, 22443, 29924, 44886, 59848, 67329, 89772, 119696, 134658, 179544, 269316, 359088, 538632, 546113, 1077264, 1092226, 1638339, 2184452, 3276678, 4368904, 4915017, 6553356, 8737808, 9830034, 13106712, 19660068, 26213424, 39320136, 78640272]

約数ペア:

[(1, 78640272), (2, 39320136), (3, 26213424), (4, 19660068), (6, 13106712), (8, 9830034), (9, 8737808), (12, 6553356), (16, 4915017), (18, 4368904), (24, 3276678), (36, 2184452), (48, 1638339), (72, 1092226), (73, 1077264), (144, 546113), (146, 538632), (219, 359088), (292, 269316), (438, 179544), (584, 134658), (657, 119696), (876, 89772), (1168, 67329), (1314, 59848), (1752, 44886), (2628, 29924), (3504, 22443), (5256, 14962), (7481, 10512)]