87855880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7297}}^1$

素因数の和:7358

約数の個数: 64

約数和(自身を含む): 231200640

約数和(自身を除く): 143344760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 7297, 12040, 14594, 29188, 36485, 51079, 58376, 72970, 102158, 145940, 204316, 255395, 291880, 313771, 408632, 510790, 627542, 1021580, 1255084, 1568855, 2043160, 2196397, 2510168, 3137710, 4392794, 6275420, 8785588, 10981985, 12550840, 17571176, 21963970, 43927940, 87855880]

約数ペア:

[(1, 87855880), (2, 43927940), (4, 21963970), (5, 17571176), (7, 12550840), (8, 10981985), (10, 8785588), (14, 6275420), (20, 4392794), (28, 3137710), (35, 2510168), (40, 2196397), (43, 2043160), (56, 1568855), (70, 1255084), (86, 1021580), (140, 627542), (172, 510790), (215, 408632), (280, 313771), (301, 291880), (344, 255395), (430, 204316), (602, 145940), (860, 102158), (1204, 72970), (1505, 58376), (1720, 51079), (2408, 36485), (3010, 29188), (6020, 14594), (7297, 12040)]