8809380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 27027000

約数和(自身を除く): 18217620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 449, 545, 654, 898, 981, 1090, 1308, 1347, 1635, 1796, 1962, 2180, 2245, 2694, 3270, 3924, 4041, 4490, 4905, 5388, 6540, 6735, 8082, 8980, 9810, 13470, 16164, 19620, 20205, 26940, 40410, 48941, 80820, 97882, 146823, 195764, 244705, 293646, 440469, 489410, 587292, 734115, 880938, 978820, 1468230, 1761876, 2202345, 2936460, 4404690, 8809380]

約数ペア:

[(1, 8809380), (2, 4404690), (3, 2936460), (4, 2202345), (5, 1761876), (6, 1468230), (9, 978820), (10, 880938), (12, 734115), (15, 587292), (18, 489410), (20, 440469), (30, 293646), (36, 244705), (45, 195764), (60, 146823), (90, 97882), (109, 80820), (180, 48941), (218, 40410), (327, 26940), (436, 20205), (449, 19620), (545, 16164), (654, 13470), (898, 9810), (981, 8980), (1090, 8082), (1308, 6735), (1347, 6540), (1635, 5388), (1796, 4905), (1962, 4490), (2180, 4041), (2245, 3924), (2694, 3270)]