81160860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122971}}^1$

素因数の和:122994

約数の個数: 48

約数和(自身を含む): 247911552

約数和(自身を除く): 166750692

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 122971, 245942, 368913, 491884, 614855, 737826, 1229710, 1352681, 1475652, 1844565, 2459420, 2705362, 3689130, 4058043, 5410724, 6763405, 7378260, 8116086, 13526810, 16232172, 20290215, 27053620, 40580430, 81160860]

約数ペア:

[(1, 81160860), (2, 40580430), (3, 27053620), (4, 20290215), (5, 16232172), (6, 13526810), (10, 8116086), (11, 7378260), (12, 6763405), (15, 5410724), (20, 4058043), (22, 3689130), (30, 2705362), (33, 2459420), (44, 1844565), (55, 1475652), (60, 1352681), (66, 1229710), (110, 737826), (132, 614855), (165, 491884), (220, 368913), (330, 245942), (660, 122971)]