51672420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1117}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 157490424

約数和(自身を除く): 105818004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1117, 1285, 1542, 2234, 2313, 2570, 3084, 3351, 3855, 4468, 4626, 5140, 5585, 6702, 7710, 9252, 10053, 11170, 11565, 13404, 15420, 16755, 20106, 22340, 23130, 33510, 40212, 46260, 50265, 67020, 100530, 201060, 287069, 574138, 861207, 1148276, 1435345, 1722414, 2583621, 2870690, 3444828, 4306035, 5167242, 5741380, 8612070, 10334484, 12918105, 17224140, 25836210, 51672420]

約数ペア:

[(1, 51672420), (2, 25836210), (3, 17224140), (4, 12918105), (5, 10334484), (6, 8612070), (9, 5741380), (10, 5167242), (12, 4306035), (15, 3444828), (18, 2870690), (20, 2583621), (30, 1722414), (36, 1435345), (45, 1148276), (60, 861207), (90, 574138), (180, 287069), (257, 201060), (514, 100530), (771, 67020), (1028, 50265), (1117, 46260), (1285, 40212), (1542, 33510), (2234, 23130), (2313, 22340), (2570, 20106), (3084, 16755), (3351, 15420), (3855, 13404), (4468, 11565), (4626, 11170), (5140, 10053), (5585, 9252), (6702, 7710)]