128636400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{107197}}^1$

素因数の和:107218

約数の個数: 60

約数和(自身を含む): 412069112

約数和(自身を除く): 283432712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 107197, 214394, 321591, 428788, 535985, 643182, 857576, 1071970, 1286364, 1607955, 1715152, 2143940, 2572728, 2679925, 3215910, 4287880, 5145456, 5359850, 6431820, 8039775, 8575760, 10719700, 12863640, 16079550, 21439400, 25727280, 32159100, 42878800, 64318200, 128636400]

約数ペア:

[(1, 128636400), (2, 64318200), (3, 42878800), (4, 32159100), (5, 25727280), (6, 21439400), (8, 16079550), (10, 12863640), (12, 10719700), (15, 8575760), (16, 8039775), (20, 6431820), (24, 5359850), (25, 5145456), (30, 4287880), (40, 3215910), (48, 2679925), (50, 2572728), (60, 2143940), (75, 1715152), (80, 1607955), (100, 1286364), (120, 1071970), (150, 857576), (200, 643182), (240, 535985), (300, 428788), (400, 321591), (600, 214394), (1200, 107197)]