42505185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 78520320

約数和(自身を除く): 36015135

約数列:

[1, 3, 5, 15, 17, 19, 31, 51, 57, 85, 93, 95, 155, 255, 283, 285, 323, 465, 527, 589, 849, 969, 1415, 1581, 1615, 1767, 2635, 2945, 4245, 4811, 4845, 5377, 7905, 8773, 8835, 10013, 14433, 16131, 24055, 26319, 26885, 30039, 43865, 50065, 72165, 80655, 91409, 131595, 149141, 150195, 166687, 274227, 447423, 457045, 500061, 745705, 833435, 1371135, 2237115, 2500305, 2833679, 8501037, 14168395, 42505185]

約数ペア:

[(1, 42505185), (3, 14168395), (5, 8501037), (15, 2833679), (17, 2500305), (19, 2237115), (31, 1371135), (51, 833435), (57, 745705), (85, 500061), (93, 457045), (95, 447423), (155, 274227), (255, 166687), (283, 150195), (285, 149141), (323, 131595), (465, 91409), (527, 80655), (589, 72165), (849, 50065), (969, 43865), (1415, 30039), (1581, 26885), (1615, 26319), (1767, 24055), (2635, 16131), (2945, 14433), (4245, 10013), (4811, 8835), (4845, 8773), (5377, 7905)]