28465020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5857}}^1$

素因数の和:5881

約数の個数: 72

約数和(自身を含む): 89557104

約数和(自身を除く): 61092084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5857, 11714, 17571, 23428, 29285, 35142, 52713, 58570, 70284, 87855, 105426, 117140, 158139, 175710, 210852, 263565, 316278, 351420, 474417, 527130, 632556, 790695, 948834, 1054260, 1423251, 1581390, 1897668, 2372085, 2846502, 3162780, 4744170, 5693004, 7116255, 9488340, 14232510, 28465020]

約数ペア:

[(1, 28465020), (2, 14232510), (3, 9488340), (4, 7116255), (5, 5693004), (6, 4744170), (9, 3162780), (10, 2846502), (12, 2372085), (15, 1897668), (18, 1581390), (20, 1423251), (27, 1054260), (30, 948834), (36, 790695), (45, 632556), (54, 527130), (60, 474417), (81, 351420), (90, 316278), (108, 263565), (135, 210852), (162, 175710), (180, 158139), (243, 117140), (270, 105426), (324, 87855), (405, 70284), (486, 58570), (540, 52713), (810, 35142), (972, 29285), (1215, 23428), (1620, 17571), (2430, 11714), (4860, 5857)]