252512820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{200407}}^1$

素因数の和:200429

約数の個数: 72

約数和(自身を含む): 875382144

約数和(自身を除く): 622869324

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, 200407, 400814, 601221, 801628, 1002035, 1202442, 1402849, 1803663, 2004070, 2404884, 2805698, 3006105, 3607326, 4008140, 4208547, 5611396, 6012210, 7014245, 7214652, 8417094, 9018315, 12024420, 12625641, 14028490, 16834188, 18036630, 21042735, 25251282, 28056980, 36073260, 42085470, 50502564, 63128205, 84170940, 126256410, 252512820]

約数ペア:

[(1, 252512820), (2, 126256410), (3, 84170940), (4, 63128205), (5, 50502564), (6, 42085470), (7, 36073260), (9, 28056980), (10, 25251282), (12, 21042735), (14, 18036630), (15, 16834188), (18, 14028490), (20, 12625641), (21, 12024420), (28, 9018315), (30, 8417094), (35, 7214652), (36, 7014245), (42, 6012210), (45, 5611396), (60, 4208547), (63, 4008140), (70, 3607326), (84, 3006105), (90, 2805698), (105, 2404884), (126, 2004070), (140, 1803663), (180, 1402849), (210, 1202442), (252, 1002035), (315, 801628), (420, 601221), (630, 400814), (1260, 200407)]