271551280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3435

約数の個数: 160

約数和(自身を含む): 847945728

約数和(自身を除く): 576394448

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2860, 3080, 3391, 3640, 4004, 5005, 5720, 6160, 6782, 7280, 8008, 10010, 11440, 13564, 16016, 16955, 20020, 23737, 27128, 33910, 37301, 40040, 44083, 47474, 54256, 67820, 74602, 80080, 88166, 94948, 118685, 135640, 149204, 176332, 186505, 189896, 220415, 237370, 261107, 271280, 298408, 308581, 352664, 373010, 379792, 440830, 474740, 484913, 522214, 596816, 617162, 705328, 746020, 881660, 949480, 969826, 1044428, 1234324, 1305535, 1492040, 1542905, 1763320, 1898960, 1939652, 2088856, 2424565, 2468648, 2611070, 2984080, 3085810, 3394391, 3526640, 3879304, 4177712, 4849130, 4937296, 5222140, 6171620, 6788782, 7758608, 9698260, 10444280, 12343240, 13577564, 16971955, 19396520, 20888560, 24686480, 27155128, 33943910, 38793040, 54310256, 67887820, 135775640, 271551280]

約数ペア:

[(1, 271551280), (2, 135775640), (4, 67887820), (5, 54310256), (7, 38793040), (8, 33943910), (10, 27155128), (11, 24686480), (13, 20888560), (14, 19396520), (16, 16971955), (20, 13577564), (22, 12343240), (26, 10444280), (28, 9698260), (35, 7758608), (40, 6788782), (44, 6171620), (52, 5222140), (55, 4937296), (56, 4849130), (65, 4177712), (70, 3879304), (77, 3526640), (80, 3394391), (88, 3085810), (91, 2984080), (104, 2611070), (110, 2468648), (112, 2424565), (130, 2088856), (140, 1939652), (143, 1898960), (154, 1763320), (176, 1542905), (182, 1492040), (208, 1305535), (220, 1234324), (260, 1044428), (280, 969826), (286, 949480), (308, 881660), (364, 746020), (385, 705328), (440, 617162), (455, 596816), (520, 522214), (560, 484913), (572, 474740), (616, 440830), (715, 379792), (728, 373010), (770, 352664), (880, 308581), (910, 298408), (1001, 271280), (1040, 261107), (1144, 237370), (1232, 220415), (1430, 189896), (1456, 186505), (1540, 176332), (1820, 149204), (2002, 135640), (2288, 118685), (2860, 94948), (3080, 88166), (3391, 80080), (3640, 74602), (4004, 67820), (5005, 54256), (5720, 47474), (6160, 44083), (6782, 40040), (7280, 37301), (8008, 33910), (10010, 27128), (11440, 23737), (13564, 20020), (16016, 16955)]