30367120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 81387648

約数和(自身を除く): 51020528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 257, 280, 422, 514, 560, 844, 1028, 1055, 1285, 1477, 1688, 1799, 2056, 2110, 2570, 2954, 3376, 3598, 4112, 4220, 5140, 5908, 7196, 7385, 8440, 8995, 10280, 11816, 14392, 14770, 16880, 17990, 20560, 23632, 28784, 29540, 35980, 54227, 59080, 71960, 108454, 118160, 143920, 216908, 271135, 379589, 433816, 542270, 759178, 867632, 1084540, 1518356, 1897945, 2169080, 3036712, 3795890, 4338160, 6073424, 7591780, 15183560, 30367120]

約数ペア:

[(1, 30367120), (2, 15183560), (4, 7591780), (5, 6073424), (7, 4338160), (8, 3795890), (10, 3036712), (14, 2169080), (16, 1897945), (20, 1518356), (28, 1084540), (35, 867632), (40, 759178), (56, 542270), (70, 433816), (80, 379589), (112, 271135), (140, 216908), (211, 143920), (257, 118160), (280, 108454), (422, 71960), (514, 59080), (560, 54227), (844, 35980), (1028, 29540), (1055, 28784), (1285, 23632), (1477, 20560), (1688, 17990), (1799, 16880), (2056, 14770), (2110, 14392), (2570, 11816), (2954, 10280), (3376, 8995), (3598, 8440), (4112, 7385), (4220, 7196), (5140, 5908)]