30343880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 78503040

約数和(自身を除く): 48159160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 353, 614, 706, 1228, 1412, 1535, 1765, 2149, 2456, 2471, 2824, 3070, 3530, 4298, 4942, 6140, 7060, 8596, 9884, 10745, 12280, 12355, 14120, 17192, 19768, 21490, 24710, 42980, 49420, 85960, 98840, 108371, 216742, 433484, 541855, 758597, 866968, 1083710, 1517194, 2167420, 3034388, 3792985, 4334840, 6068776, 7585970, 15171940, 30343880]

約数ペア:

[(1, 30343880), (2, 15171940), (4, 7585970), (5, 6068776), (7, 4334840), (8, 3792985), (10, 3034388), (14, 2167420), (20, 1517194), (28, 1083710), (35, 866968), (40, 758597), (56, 541855), (70, 433484), (140, 216742), (280, 108371), (307, 98840), (353, 85960), (614, 49420), (706, 42980), (1228, 24710), (1412, 21490), (1535, 19768), (1765, 17192), (2149, 14120), (2456, 12355), (2471, 12280), (2824, 10745), (3070, 9884), (3530, 8596), (4298, 7060), (4942, 6140)]