144705920

素因数分解:

$2^7\times 5^1\times {\mathrm{226103}}^1$

素因数の和:226122

約数の個数: 32

約数和(自身を含む): 345939120

約数和(自身を除く): 201233200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 226103, 452206, 904412, 1130515, 1808824, 2261030, 3617648, 4522060, 7235296, 9044120, 14470592, 18088240, 28941184, 36176480, 72352960, 144705920]

約数ペア:

[(1, 144705920), (2, 72352960), (4, 36176480), (5, 28941184), (8, 18088240), (10, 14470592), (16, 9044120), (20, 7235296), (32, 4522060), (40, 3617648), (64, 2261030), (80, 1808824), (128, 1130515), (160, 904412), (320, 452206), (640, 226103)]