720293744

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{643}}^1\times {\mathrm{1321}}^1$

素因数の和:2025

約数の個数: 40

約数和(自身を含む): 1425190032

約数和(自身を除く): 704896288

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 643, 848, 1286, 1321, 2572, 2642, 5144, 5284, 10288, 10568, 21136, 34079, 68158, 70013, 136316, 140026, 272632, 280052, 545264, 560104, 849403, 1120208, 1698806, 3397612, 6795224, 13590448, 45018359, 90036718, 180073436, 360146872, 720293744]

約数ペア:

[(1, 720293744), (2, 360146872), (4, 180073436), (8, 90036718), (16, 45018359), (53, 13590448), (106, 6795224), (212, 3397612), (424, 1698806), (643, 1120208), (848, 849403), (1286, 560104), (1321, 545264), (2572, 280052), (2642, 272632), (5144, 140026), (5284, 136316), (10288, 70013), (10568, 68158), (21136, 34079)]