28076580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22283}}^1$

素因数の和:22305

約数の個数: 72

約数和(自身を含む): 97336512

約数和(自身を除く): 69259932

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, 22283, 44566, 66849, 89132, 111415, 133698, 155981, 200547, 222830, 267396, 311962, 334245, 401094, 445660, 467943, 623924, 668490, 779905, 802188, 935886, 1002735, 1336980, 1403829, 1559810, 1871772, 2005470, 2339715, 2807658, 3119620, 4010940, 4679430, 5615316, 7019145, 9358860, 14038290, 28076580]

約数ペア:

[(1, 28076580), (2, 14038290), (3, 9358860), (4, 7019145), (5, 5615316), (6, 4679430), (7, 4010940), (9, 3119620), (10, 2807658), (12, 2339715), (14, 2005470), (15, 1871772), (18, 1559810), (20, 1403829), (21, 1336980), (28, 1002735), (30, 935886), (35, 802188), (36, 779905), (42, 668490), (45, 623924), (60, 467943), (63, 445660), (70, 401094), (84, 334245), (90, 311962), (105, 267396), (126, 222830), (140, 200547), (180, 155981), (210, 133698), (252, 111415), (315, 89132), (420, 66849), (630, 44566), (1260, 22283)]