1220781060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{19433}}^1$

素因数の和:19797

約数の個数: 72

約数和(自身を含む): 3713837400

約数和(自身を除く): 2493056340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 5235, 6282, 6980, 10470, 12564, 15705, 19433, 20940, 31410, 38866, 58299, 62820, 77732, 97165, 116598, 174897, 194330, 233196, 291495, 349794, 388660, 582990, 699588, 874485, 1165980, 1748970, 3497940, 6782117, 13564234, 20346351, 27128468, 33910585, 40692702, 61039053, 67821170, 81385404, 101731755, 122078106, 135642340, 203463510, 244156212, 305195265, 406927020, 610390530, 1220781060]

約数ペア:

[(1, 1220781060), (2, 610390530), (3, 406927020), (4, 305195265), (5, 244156212), (6, 203463510), (9, 135642340), (10, 122078106), (12, 101731755), (15, 81385404), (18, 67821170), (20, 61039053), (30, 40692702), (36, 33910585), (45, 27128468), (60, 20346351), (90, 13564234), (180, 6782117), (349, 3497940), (698, 1748970), (1047, 1165980), (1396, 874485), (1745, 699588), (2094, 582990), (3141, 388660), (3490, 349794), (4188, 291495), (5235, 233196), (6282, 194330), (6980, 174897), (10470, 116598), (12564, 97165), (15705, 77732), (19433, 62820), (20940, 58299), (31410, 38866)]