15925860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 48834240

約数和(自身を除く): 32908380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 859, 927, 1030, 1236, 1545, 1718, 1854, 2060, 2577, 3090, 3436, 3708, 4295, 4635, 5154, 6180, 7731, 8590, 9270, 10308, 12885, 15462, 17180, 18540, 25770, 30924, 38655, 51540, 77310, 88477, 154620, 176954, 265431, 353908, 442385, 530862, 796293, 884770, 1061724, 1327155, 1592586, 1769540, 2654310, 3185172, 3981465, 5308620, 7962930, 15925860]

約数ペア:

[(1, 15925860), (2, 7962930), (3, 5308620), (4, 3981465), (5, 3185172), (6, 2654310), (9, 1769540), (10, 1592586), (12, 1327155), (15, 1061724), (18, 884770), (20, 796293), (30, 530862), (36, 442385), (45, 353908), (60, 265431), (90, 176954), (103, 154620), (180, 88477), (206, 77310), (309, 51540), (412, 38655), (515, 30924), (618, 25770), (859, 18540), (927, 17180), (1030, 15462), (1236, 12885), (1545, 10308), (1718, 9270), (1854, 8590), (2060, 7731), (2577, 6180), (3090, 5154), (3436, 4635), (3708, 4295)]