13156740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3881

約数の個数: 72

約数和(自身を含む): 42020160

約数和(自身を除く): 28863420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 3847, 7694, 11541, 15388, 19235, 23082, 34623, 38470, 46164, 57705, 69246, 73093, 76940, 115410, 138492, 146186, 173115, 219279, 230820, 292372, 346230, 365465, 438558, 657837, 692460, 730930, 877116, 1096395, 1315674, 1461860, 2192790, 2631348, 3289185, 4385580, 6578370, 13156740]

約数ペア:

[(1, 13156740), (2, 6578370), (3, 4385580), (4, 3289185), (5, 2631348), (6, 2192790), (9, 1461860), (10, 1315674), (12, 1096395), (15, 877116), (18, 730930), (19, 692460), (20, 657837), (30, 438558), (36, 365465), (38, 346230), (45, 292372), (57, 230820), (60, 219279), (76, 173115), (90, 146186), (95, 138492), (114, 115410), (171, 76940), (180, 73093), (190, 69246), (228, 57705), (285, 46164), (342, 38470), (380, 34623), (570, 23082), (684, 19235), (855, 15388), (1140, 11541), (1710, 7694), (3420, 3847)]