321443360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{287003}}^1$

素因数の和:287025

約数の個数: 48

約数和(自身を含む): 867900096

約数和(自身を除く): 546456736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 287003, 574006, 1148012, 1435015, 2009021, 2296024, 2870030, 4018042, 4592048, 5740060, 8036084, 9184096, 10045105, 11480120, 16072168, 20090210, 22960240, 32144336, 40180420, 45920480, 64288672, 80360840, 160721680, 321443360]

約数ペア:

[(1, 321443360), (2, 160721680), (4, 80360840), (5, 64288672), (7, 45920480), (8, 40180420), (10, 32144336), (14, 22960240), (16, 20090210), (20, 16072168), (28, 11480120), (32, 10045105), (35, 9184096), (40, 8036084), (56, 5740060), (70, 4592048), (80, 4018042), (112, 2870030), (140, 2296024), (160, 2009021), (224, 1435015), (280, 1148012), (560, 574006), (1120, 287003)]