1616580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1283}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 5608512

約数和(自身を除く): 3991932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1283, 2566, 3849, 5132, 6415, 7698, 8981, 11547, 12830, 15396, 17962, 19245, 23094, 25660, 26943, 35924, 38490, 44905, 46188, 53886, 57735, 76980, 80829, 89810, 107772, 115470, 134715, 161658, 179620, 230940, 269430, 323316, 404145, 538860, 808290, 1616580]

約数ペア:

[(1, 1616580), (2, 808290), (3, 538860), (4, 404145), (5, 323316), (6, 269430), (7, 230940), (9, 179620), (10, 161658), (12, 134715), (14, 115470), (15, 107772), (18, 89810), (20, 80829), (21, 76980), (28, 57735), (30, 53886), (35, 46188), (36, 44905), (42, 38490), (45, 35924), (60, 26943), (63, 25660), (70, 23094), (84, 19245), (90, 17962), (105, 15396), (126, 12830), (140, 11547), (180, 8981), (210, 7698), (252, 6415), (315, 5132), (420, 3849), (630, 2566), (1260, 1283)]