1271310040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31751}}^1$

素因数の和:31793

約数の個数: 128

約数和(自身を含む): 3840721920

約数和(自身を除く): 2569411880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 20020, 31751, 40040, 63502, 127004, 158755, 222257, 254008, 317510, 349261, 412763, 444514, 635020, 698522, 825526, 889028, 1111285, 1270040, 1397044, 1651052, 1746305, 1778056, 2063815, 2222570, 2444827, 2794088, 2889341, 3302104, 3492610, 4127630, 4445140, 4540393, 4889654, 5778682, 6985220, 8255260, 8890280, 9080786, 9779308, 11557364, 12224135, 13970440, 14446705, 16510520, 18161572, 19558616, 22701965, 23114728, 24448270, 28893410, 31782751, 36323144, 45403930, 48896540, 57786820, 63565502, 90807860, 97793080, 115573640, 127131004, 158913755, 181615720, 254262008, 317827510, 635655020, 1271310040]

約数ペア:

[(1, 1271310040), (2, 635655020), (4, 317827510), (5, 254262008), (7, 181615720), (8, 158913755), (10, 127131004), (11, 115573640), (13, 97793080), (14, 90807860), (20, 63565502), (22, 57786820), (26, 48896540), (28, 45403930), (35, 36323144), (40, 31782751), (44, 28893410), (52, 24448270), (55, 23114728), (56, 22701965), (65, 19558616), (70, 18161572), (77, 16510520), (88, 14446705), (91, 13970440), (104, 12224135), (110, 11557364), (130, 9779308), (140, 9080786), (143, 8890280), (154, 8255260), (182, 6985220), (220, 5778682), (260, 4889654), (280, 4540393), (286, 4445140), (308, 4127630), (364, 3492610), (385, 3302104), (440, 2889341), (455, 2794088), (520, 2444827), (572, 2222570), (616, 2063815), (715, 1778056), (728, 1746305), (770, 1651052), (910, 1397044), (1001, 1270040), (1144, 1111285), (1430, 889028), (1540, 825526), (1820, 698522), (2002, 635020), (2860, 444514), (3080, 412763), (3640, 349261), (4004, 317510), (5005, 254008), (5720, 222257), (8008, 158755), (10010, 127004), (20020, 63502), (31751, 40040)]