80493975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 54

約数和(自身を含む): 152314656

約数和(自身を除く): 71820681

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 361, 475, 855, 991, 1083, 1425, 1805, 2973, 3249, 4275, 4955, 5415, 8919, 9025, 14865, 16245, 18829, 24775, 27075, 44595, 56487, 74325, 81225, 94145, 169461, 222975, 282435, 357751, 470725, 847305, 1073253, 1412175, 1788755, 3219759, 4236525, 5366265, 8943775, 16098795, 26831325, 80493975]

約数ペア:

[(1, 80493975), (3, 26831325), (5, 16098795), (9, 8943775), (15, 5366265), (19, 4236525), (25, 3219759), (45, 1788755), (57, 1412175), (75, 1073253), (95, 847305), (171, 470725), (225, 357751), (285, 282435), (361, 222975), (475, 169461), (855, 94145), (991, 81225), (1083, 74325), (1425, 56487), (1805, 44595), (2973, 27075), (3249, 24775), (4275, 18829), (4955, 16245), (5415, 14865), (8919, 9025)]