31427280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43649}}^1$

素因数の和:43668

約数の個数: 60

約数和(自身を含む): 105545700

約数和(自身を除く): 74118420

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 43649, 87298, 130947, 174596, 218245, 261894, 349192, 392841, 436490, 523788, 654735, 698384, 785682, 872980, 1047576, 1309470, 1571364, 1745960, 1964205, 2095152, 2618940, 3142728, 3491920, 3928410, 5237880, 6285456, 7856820, 10475760, 15713640, 31427280]

約数ペア:

[(1, 31427280), (2, 15713640), (3, 10475760), (4, 7856820), (5, 6285456), (6, 5237880), (8, 3928410), (9, 3491920), (10, 3142728), (12, 2618940), (15, 2095152), (16, 1964205), (18, 1745960), (20, 1571364), (24, 1309470), (30, 1047576), (36, 872980), (40, 785682), (45, 698384), (48, 654735), (60, 523788), (72, 436490), (80, 392841), (90, 349192), (120, 261894), (144, 218245), (180, 174596), (240, 130947), (360, 87298), (720, 43649)]