71216820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43961}}^1$

素因数の和:43982

約数の個数: 60

約数和(自身を含む): 223414884

約数和(自身を除く): 152198064

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, 270, 324, 405, 540, 810, 1620, 43961, 87922, 131883, 175844, 219805, 263766, 395649, 439610, 527532, 659415, 791298, 879220, 1186947, 1318830, 1582596, 1978245, 2373894, 2637660, 3560841, 3956490, 4747788, 5934735, 7121682, 7912980, 11869470, 14243364, 17804205, 23738940, 35608410, 71216820]

約数ペア:

[(1, 71216820), (2, 35608410), (3, 23738940), (4, 17804205), (5, 14243364), (6, 11869470), (9, 7912980), (10, 7121682), (12, 5934735), (15, 4747788), (18, 3956490), (20, 3560841), (27, 2637660), (30, 2373894), (36, 1978245), (45, 1582596), (54, 1318830), (60, 1186947), (81, 879220), (90, 791298), (108, 659415), (135, 527532), (162, 439610), (180, 395649), (270, 263766), (324, 219805), (405, 175844), (540, 131883), (810, 87922), (1620, 43961)]