12821700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 37636480

約数和(自身を除く): 24814780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 541, 790, 948, 1082, 1185, 1580, 1623, 1975, 2164, 2370, 2705, 3246, 3950, 4740, 5410, 5925, 6492, 7900, 8115, 10820, 11850, 13525, 16230, 23700, 27050, 32460, 40575, 42739, 54100, 81150, 85478, 128217, 162300, 170956, 213695, 256434, 427390, 512868, 641085, 854780, 1068475, 1282170, 2136950, 2564340, 3205425, 4273900, 6410850, 12821700]

約数ペア:

[(1, 12821700), (2, 6410850), (3, 4273900), (4, 3205425), (5, 2564340), (6, 2136950), (10, 1282170), (12, 1068475), (15, 854780), (20, 641085), (25, 512868), (30, 427390), (50, 256434), (60, 213695), (75, 170956), (79, 162300), (100, 128217), (150, 85478), (158, 81150), (237, 54100), (300, 42739), (316, 40575), (395, 32460), (474, 27050), (541, 23700), (790, 16230), (948, 13525), (1082, 11850), (1185, 10820), (1580, 8115), (1623, 7900), (1975, 6492), (2164, 5925), (2370, 5410), (2705, 4740), (3246, 3950)]