87851340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1087}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 267321600

約数和(自身を除く): 179470260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1087, 1347, 1796, 2174, 2245, 2694, 3261, 4041, 4348, 4490, 5388, 5435, 6522, 6735, 8082, 8980, 9783, 10870, 13044, 13470, 16164, 16305, 19566, 20205, 21740, 26940, 32610, 39132, 40410, 48915, 65220, 80820, 97830, 195660, 488063, 976126, 1464189, 1952252, 2440315, 2928378, 4392567, 4880630, 5856756, 7320945, 8785134, 9761260, 14641890, 17570268, 21962835, 29283780, 43925670, 87851340]

約数ペア:

[(1, 87851340), (2, 43925670), (3, 29283780), (4, 21962835), (5, 17570268), (6, 14641890), (9, 9761260), (10, 8785134), (12, 7320945), (15, 5856756), (18, 4880630), (20, 4392567), (30, 2928378), (36, 2440315), (45, 1952252), (60, 1464189), (90, 976126), (180, 488063), (449, 195660), (898, 97830), (1087, 80820), (1347, 65220), (1796, 48915), (2174, 40410), (2245, 39132), (2694, 32610), (3261, 26940), (4041, 21740), (4348, 20205), (4490, 19566), (5388, 16305), (5435, 16164), (6522, 13470), (6735, 13044), (8082, 10870), (8980, 9783)]