890226780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{81973}}^1$

素因数の和:82166

約数の個数: 48

約数和(自身を含む): 2506437024

約数和(自身を除く): 1616210244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2172, 2715, 3620, 5430, 10860, 81973, 163946, 245919, 327892, 409865, 491838, 819730, 983676, 1229595, 1639460, 2459190, 4918380, 14837113, 29674226, 44511339, 59348452, 74185565, 89022678, 148371130, 178045356, 222556695, 296742260, 445113390, 890226780]

約数ペア:

[(1, 890226780), (2, 445113390), (3, 296742260), (4, 222556695), (5, 178045356), (6, 148371130), (10, 89022678), (12, 74185565), (15, 59348452), (20, 44511339), (30, 29674226), (60, 14837113), (181, 4918380), (362, 2459190), (543, 1639460), (724, 1229595), (905, 983676), (1086, 819730), (1810, 491838), (2172, 409865), (2715, 327892), (3620, 245919), (5430, 163946), (10860, 81973)]