15987820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 20209460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 797, 1003, 1180, 1594, 2006, 3188, 3985, 4012, 5015, 7970, 10030, 13549, 15940, 20060, 27098, 47023, 54196, 67745, 94046, 135490, 188092, 235115, 270980, 470230, 799391, 940460, 1598782, 3197564, 3996955, 7993910, 15987820]

約数ペア:

[(1, 15987820), (2, 7993910), (4, 3996955), (5, 3197564), (10, 1598782), (17, 940460), (20, 799391), (34, 470230), (59, 270980), (68, 235115), (85, 188092), (118, 135490), (170, 94046), (236, 67745), (295, 54196), (340, 47023), (590, 27098), (797, 20060), (1003, 15940), (1180, 13549), (1594, 10030), (2006, 7970), (3188, 5015), (3985, 4012)]