265020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 849408

約数和(自身を除く): 584388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 631, 1262, 1893, 2524, 3155, 3786, 4417, 6310, 7572, 8834, 9465, 12620, 13251, 17668, 18930, 22085, 26502, 37860, 44170, 53004, 66255, 88340, 132510, 265020]

約数ペア:

[(1, 265020), (2, 132510), (3, 88340), (4, 66255), (5, 53004), (6, 44170), (7, 37860), (10, 26502), (12, 22085), (14, 18930), (15, 17668), (20, 13251), (21, 12620), (28, 9465), (30, 8834), (35, 7572), (42, 6310), (60, 4417), (70, 3786), (84, 3155), (105, 2524), (140, 1893), (210, 1262), (420, 631)]