31111640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4872

約数の個数: 64

約数和(自身を含む): 83496960

約数和(自身を除く): 52385320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4831, 6440, 9662, 19324, 24155, 33817, 38648, 48310, 67634, 96620, 111113, 135268, 169085, 193240, 222226, 270536, 338170, 444452, 555565, 676340, 777791, 888904, 1111130, 1352680, 1555582, 2222260, 3111164, 3888955, 4444520, 6222328, 7777910, 15555820, 31111640]

約数ペア:

[(1, 31111640), (2, 15555820), (4, 7777910), (5, 6222328), (7, 4444520), (8, 3888955), (10, 3111164), (14, 2222260), (20, 1555582), (23, 1352680), (28, 1111130), (35, 888904), (40, 777791), (46, 676340), (56, 555565), (70, 444452), (92, 338170), (115, 270536), (140, 222226), (161, 193240), (184, 169085), (230, 135268), (280, 111113), (322, 96620), (460, 67634), (644, 48310), (805, 38648), (920, 33817), (1288, 24155), (1610, 19324), (3220, 9662), (4831, 6440)]