164155640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1069}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 404460000

約数和(自身を除く): 240304360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 349, 440, 698, 1069, 1396, 1745, 2138, 2792, 3490, 3839, 4276, 5345, 6980, 7678, 8552, 10690, 11759, 13960, 15356, 19195, 21380, 23518, 30712, 38390, 42760, 47036, 58795, 76780, 94072, 117590, 153560, 235180, 373081, 470360, 746162, 1492324, 1865405, 2984648, 3730810, 4103891, 7461620, 8207782, 14923240, 16415564, 20519455, 32831128, 41038910, 82077820, 164155640]

約数ペア:

[(1, 164155640), (2, 82077820), (4, 41038910), (5, 32831128), (8, 20519455), (10, 16415564), (11, 14923240), (20, 8207782), (22, 7461620), (40, 4103891), (44, 3730810), (55, 2984648), (88, 1865405), (110, 1492324), (220, 746162), (349, 470360), (440, 373081), (698, 235180), (1069, 153560), (1396, 117590), (1745, 94072), (2138, 76780), (2792, 58795), (3490, 47036), (3839, 42760), (4276, 38390), (5345, 30712), (6980, 23518), (7678, 21380), (8552, 19195), (10690, 15356), (11759, 13960)]