156945747080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{351991}}^1$

素因数の和:352230

約数の個数: 64

約数和(自身を含む): 360383489280

約数和(自身を除く): 203437742200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 157, 284, 314, 355, 568, 628, 710, 785, 1256, 1420, 1570, 2840, 3140, 6280, 11147, 22294, 44588, 55735, 89176, 111470, 222940, 351991, 445880, 703982, 1407964, 1759955, 2815928, 3519910, 7039820, 14079640, 24991361, 49982722, 55262587, 99965444, 110525174, 124956805, 199930888, 221050348, 249913610, 276312935, 442100696, 499827220, 552625870, 999654440, 1105251740, 2210503480, 3923643677, 7847287354, 15694574708, 19618218385, 31389149416, 39236436770, 78472873540, 156945747080]

約数ペア:

[(1, 156945747080), (2, 78472873540), (4, 39236436770), (5, 31389149416), (8, 19618218385), (10, 15694574708), (20, 7847287354), (40, 3923643677), (71, 2210503480), (142, 1105251740), (157, 999654440), (284, 552625870), (314, 499827220), (355, 442100696), (568, 276312935), (628, 249913610), (710, 221050348), (785, 199930888), (1256, 124956805), (1420, 110525174), (1570, 99965444), (2840, 55262587), (3140, 49982722), (6280, 24991361), (11147, 14079640), (22294, 7039820), (44588, 3519910), (55735, 2815928), (89176, 1759955), (111470, 1407964), (222940, 703982), (351991, 445880)]