15991220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6719}}^1$

素因数の和:6752

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 24651340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6719, 13438, 26876, 33595, 47033, 67190, 94066, 114223, 134380, 188132, 228446, 235165, 456892, 470330, 571115, 799561, 940660, 1142230, 1599122, 2284460, 3198244, 3997805, 7995610, 15991220]

約数ペア:

[(1, 15991220), (2, 7995610), (4, 3997805), (5, 3198244), (7, 2284460), (10, 1599122), (14, 1142230), (17, 940660), (20, 799561), (28, 571115), (34, 470330), (35, 456892), (68, 235165), (70, 228446), (85, 188132), (119, 134380), (140, 114223), (170, 94066), (238, 67190), (340, 47033), (476, 33595), (595, 26876), (1190, 13438), (2380, 6719)]