31261080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13711}}^1$

素因数の和:13744

約数の個数: 64

約数和(自身を含む): 98726400

約数和(自身を除く): 67465320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 13711, 27422, 41133, 54844, 68555, 82266, 109688, 137110, 164532, 205665, 260509, 274220, 329064, 411330, 521018, 548440, 781527, 822660, 1042036, 1302545, 1563054, 1645320, 2084072, 2605090, 3126108, 3907635, 5210180, 6252216, 7815270, 10420360, 15630540, 31261080]

約数ペア:

[(1, 31261080), (2, 15630540), (3, 10420360), (4, 7815270), (5, 6252216), (6, 5210180), (8, 3907635), (10, 3126108), (12, 2605090), (15, 2084072), (19, 1645320), (20, 1563054), (24, 1302545), (30, 1042036), (38, 822660), (40, 781527), (57, 548440), (60, 521018), (76, 411330), (95, 329064), (114, 274220), (120, 260509), (152, 205665), (190, 164532), (228, 137110), (285, 109688), (380, 82266), (456, 68555), (570, 54844), (760, 41133), (1140, 27422), (2280, 13711)]