420941880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{389761}}^1$

素因数の和:389781

約数の個数: 64

約数和(自身を含む): 1403143200

約数和(自身を除く): 982201320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 389761, 779522, 1169283, 1559044, 1948805, 2338566, 3118088, 3507849, 3897610, 4677132, 5846415, 7015698, 7795220, 9354264, 10523547, 11692830, 14031396, 15590440, 17539245, 21047094, 23385660, 28062792, 35078490, 42094188, 46771320, 52617735, 70156980, 84188376, 105235470, 140313960, 210470940, 420941880]

約数ペア:

[(1, 420941880), (2, 210470940), (3, 140313960), (4, 105235470), (5, 84188376), (6, 70156980), (8, 52617735), (9, 46771320), (10, 42094188), (12, 35078490), (15, 28062792), (18, 23385660), (20, 21047094), (24, 17539245), (27, 15590440), (30, 14031396), (36, 11692830), (40, 10523547), (45, 9354264), (54, 7795220), (60, 7015698), (72, 5846415), (90, 4677132), (108, 3897610), (120, 3507849), (135, 3118088), (180, 2338566), (216, 1948805), (270, 1559044), (360, 1169283), (540, 779522), (1080, 389761)]