654404240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4547}}^1$

素因数の和:4824

約数の個数: 80

約数和(自身を含む): 1745995392

約数和(自身を除く): 1091591152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1285, 1799, 2056, 2570, 3598, 4112, 4547, 5140, 7196, 8995, 9094, 10280, 14392, 17990, 18188, 20560, 22735, 28784, 31829, 35980, 36376, 45470, 63658, 71960, 72752, 90940, 127316, 143920, 159145, 181880, 254632, 318290, 363760, 509264, 636580, 1168579, 1273160, 2337158, 2546320, 4674316, 5842895, 8180053, 9348632, 11685790, 16360106, 18697264, 23371580, 32720212, 40900265, 46743160, 65440424, 81800530, 93486320, 130880848, 163601060, 327202120, 654404240]

約数ペア:

[(1, 654404240), (2, 327202120), (4, 163601060), (5, 130880848), (7, 93486320), (8, 81800530), (10, 65440424), (14, 46743160), (16, 40900265), (20, 32720212), (28, 23371580), (35, 18697264), (40, 16360106), (56, 11685790), (70, 9348632), (80, 8180053), (112, 5842895), (140, 4674316), (257, 2546320), (280, 2337158), (514, 1273160), (560, 1168579), (1028, 636580), (1285, 509264), (1799, 363760), (2056, 318290), (2570, 254632), (3598, 181880), (4112, 159145), (4547, 143920), (5140, 127316), (7196, 90940), (8995, 72752), (9094, 71960), (10280, 63658), (14392, 45470), (17990, 36376), (18188, 35980), (20560, 31829), (22735, 28784)]