15201990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3187}}^1$

素因数の和:3253

約数の個数: 48

約数和(自身を含む): 40283568

約数和(自身を除く): 25081578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 3187, 4770, 6374, 9561, 15935, 19122, 28683, 31870, 47805, 57366, 95610, 143415, 168911, 286830, 337822, 506733, 844555, 1013466, 1520199, 1689110, 2533665, 3040398, 5067330, 7600995, 15201990]

約数ペア:

[(1, 15201990), (2, 7600995), (3, 5067330), (5, 3040398), (6, 2533665), (9, 1689110), (10, 1520199), (15, 1013466), (18, 844555), (30, 506733), (45, 337822), (53, 286830), (90, 168911), (106, 143415), (159, 95610), (265, 57366), (318, 47805), (477, 31870), (530, 28683), (795, 19122), (954, 15935), (1590, 9561), (2385, 6374), (3187, 4770)]