2121920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 56

約数和(自身を含む): 5334000

約数和(自身を除く): 3212080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 349, 380, 608, 698, 760, 1216, 1396, 1520, 1745, 2792, 3040, 3490, 5584, 6080, 6631, 6980, 11168, 13262, 13960, 22336, 26524, 27920, 33155, 53048, 55840, 66310, 106096, 111680, 132620, 212192, 265240, 424384, 530480, 1060960, 2121920]

約数ペア:

[(1, 2121920), (2, 1060960), (4, 530480), (5, 424384), (8, 265240), (10, 212192), (16, 132620), (19, 111680), (20, 106096), (32, 66310), (38, 55840), (40, 53048), (64, 33155), (76, 27920), (80, 26524), (95, 22336), (152, 13960), (160, 13262), (190, 11168), (304, 6980), (320, 6631), (349, 6080), (380, 5584), (608, 3490), (698, 3040), (760, 2792), (1216, 1745), (1396, 1520)]