161166420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2879}}^1$

素因数の和:3205

約数の個数: 72

約数和(自身を含む): 490613760

約数和(自身を除く): 329447340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1866, 2799, 2879, 3110, 3732, 4665, 5598, 5758, 6220, 8637, 9330, 11196, 11516, 13995, 14395, 17274, 18660, 25911, 27990, 28790, 34548, 43185, 51822, 55980, 57580, 86370, 103644, 129555, 172740, 259110, 518220, 895369, 1790738, 2686107, 3581476, 4476845, 5372214, 8058321, 8953690, 10744428, 13430535, 16116642, 17907380, 26861070, 32233284, 40291605, 53722140, 80583210, 161166420]

約数ペア:

[(1, 161166420), (2, 80583210), (3, 53722140), (4, 40291605), (5, 32233284), (6, 26861070), (9, 17907380), (10, 16116642), (12, 13430535), (15, 10744428), (18, 8953690), (20, 8058321), (30, 5372214), (36, 4476845), (45, 3581476), (60, 2686107), (90, 1790738), (180, 895369), (311, 518220), (622, 259110), (933, 172740), (1244, 129555), (1555, 103644), (1866, 86370), (2799, 57580), (2879, 55980), (3110, 51822), (3732, 43185), (4665, 34548), (5598, 28790), (5758, 27990), (6220, 25911), (8637, 18660), (9330, 17274), (11196, 14395), (11516, 13995)]