258964620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26479}}^1$

素因数の和:26654

約数の個数: 48

約数和(自身を含む): 729576960

約数和(自身を除く): 470612340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 26479, 52958, 79437, 105916, 132395, 158874, 264790, 317748, 397185, 529580, 794370, 1588740, 4316077, 8632154, 12948231, 17264308, 21580385, 25896462, 43160770, 51792924, 64741155, 86321540, 129482310, 258964620]

約数ペア:

[(1, 258964620), (2, 129482310), (3, 86321540), (4, 64741155), (5, 51792924), (6, 43160770), (10, 25896462), (12, 21580385), (15, 17264308), (20, 12948231), (30, 8632154), (60, 4316077), (163, 1588740), (326, 794370), (489, 529580), (652, 397185), (815, 317748), (978, 264790), (1630, 158874), (1956, 132395), (2445, 105916), (3260, 79437), (4890, 52958), (9780, 26479)]