154740880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{276323}}^1$

素因数の和:276343

約数の個数: 40

約数和(自身を含む): 411170112

約数和(自身を除く): 256429232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 276323, 552646, 1105292, 1381615, 1934261, 2210584, 2763230, 3868522, 4421168, 5526460, 7737044, 9671305, 11052920, 15474088, 19342610, 22105840, 30948176, 38685220, 77370440, 154740880]

約数ペア:

[(1, 154740880), (2, 77370440), (4, 38685220), (5, 30948176), (7, 22105840), (8, 19342610), (10, 15474088), (14, 11052920), (16, 9671305), (20, 7737044), (28, 5526460), (35, 4421168), (40, 3868522), (56, 2763230), (70, 2210584), (80, 1934261), (112, 1381615), (140, 1105292), (280, 552646), (560, 276323)]