31158880

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1307}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 74163600

約数和(自身を除く): 43004720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1307, 1490, 2384, 2614, 2980, 4768, 5228, 5960, 6535, 10456, 11920, 13070, 20912, 23840, 26140, 41824, 52280, 104560, 194743, 209120, 389486, 778972, 973715, 1557944, 1947430, 3115888, 3894860, 6231776, 7789720, 15579440, 31158880]

約数ペア:

[(1, 31158880), (2, 15579440), (4, 7789720), (5, 6231776), (8, 3894860), (10, 3115888), (16, 1947430), (20, 1557944), (32, 973715), (40, 778972), (80, 389486), (149, 209120), (160, 194743), (298, 104560), (596, 52280), (745, 41824), (1192, 26140), (1307, 23840), (1490, 20912), (2384, 13070), (2614, 11920), (2980, 10456), (4768, 6535), (5228, 5960)]