51483780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1493

約数の個数: 72

約数和(自身を含む): 156975000

約数和(自身を除く): 105491220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1249, 1374, 2061, 2290, 2498, 2748, 3435, 3747, 4122, 4580, 4996, 6245, 6870, 7494, 8244, 10305, 11241, 12490, 13740, 14988, 18735, 20610, 22482, 24980, 37470, 41220, 44964, 56205, 74940, 112410, 224820, 286021, 572042, 858063, 1144084, 1430105, 1716126, 2574189, 2860210, 3432252, 4290315, 5148378, 5720420, 8580630, 10296756, 12870945, 17161260, 25741890, 51483780]

約数ペア:

[(1, 51483780), (2, 25741890), (3, 17161260), (4, 12870945), (5, 10296756), (6, 8580630), (9, 5720420), (10, 5148378), (12, 4290315), (15, 3432252), (18, 2860210), (20, 2574189), (30, 1716126), (36, 1430105), (45, 1144084), (60, 858063), (90, 572042), (180, 286021), (229, 224820), (458, 112410), (687, 74940), (916, 56205), (1145, 44964), (1249, 41220), (1374, 37470), (2061, 24980), (2290, 22482), (2498, 20610), (2748, 18735), (3435, 14988), (3747, 13740), (4122, 12490), (4580, 11241), (4996, 10305), (6245, 8244), (6870, 7494)]