256616400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{213847}}^1$

素因数の和:213868

約数の個数: 60

約数和(自身を含む): 822031712

約数和(自身を除く): 565415312

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, 213847, 427694, 641541, 855388, 1069235, 1283082, 1710776, 2138470, 2566164, 3207705, 3421552, 4276940, 5132328, 5346175, 6415410, 8553880, 10264656, 10692350, 12830820, 16038525, 17107760, 21384700, 25661640, 32077050, 42769400, 51323280, 64154100, 85538800, 128308200, 256616400]

約数ペア:

[(1, 256616400), (2, 128308200), (3, 85538800), (4, 64154100), (5, 51323280), (6, 42769400), (8, 32077050), (10, 25661640), (12, 21384700), (15, 17107760), (16, 16038525), (20, 12830820), (24, 10692350), (25, 10264656), (30, 8553880), (40, 6415410), (48, 5346175), (50, 5132328), (60, 4276940), (75, 3421552), (80, 3207705), (100, 2566164), (120, 2138470), (150, 1710776), (200, 1283082), (240, 1069235), (300, 855388), (400, 641541), (600, 427694), (1200, 213847)]