21644640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15031}}^1$

素因数の和:15052

約数の個数: 72

約数和(自身を含む): 73867248

約数和(自身を除く): 52222608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 15031, 30062, 45093, 60124, 75155, 90186, 120248, 135279, 150310, 180372, 225465, 240496, 270558, 300620, 360744, 450930, 480992, 541116, 601240, 676395, 721488, 901860, 1082232, 1202480, 1352790, 1442976, 1803720, 2164464, 2404960, 2705580, 3607440, 4328928, 5411160, 7214880, 10822320, 21644640]

約数ペア:

[(1, 21644640), (2, 10822320), (3, 7214880), (4, 5411160), (5, 4328928), (6, 3607440), (8, 2705580), (9, 2404960), (10, 2164464), (12, 1803720), (15, 1442976), (16, 1352790), (18, 1202480), (20, 1082232), (24, 901860), (30, 721488), (32, 676395), (36, 601240), (40, 541116), (45, 480992), (48, 450930), (60, 360744), (72, 300620), (80, 270558), (90, 240496), (96, 225465), (120, 180372), (144, 150310), (160, 135279), (180, 120248), (240, 90186), (288, 75155), (360, 60124), (480, 45093), (720, 30062), (1440, 15031)]