80138968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 197406720

約数和(自身を除く): 117267752

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 53, 56, 62, 67, 91, 104, 106, 124, 134, 182, 212, 217, 248, 268, 364, 371, 403, 424, 434, 469, 536, 689, 728, 742, 806, 868, 871, 938, 1378, 1484, 1612, 1643, 1736, 1742, 1876, 2077, 2756, 2821, 2968, 3224, 3286, 3484, 3551, 3752, 4154, 4823, 5512, 5642, 6097, 6572, 6968, 7102, 8308, 9646, 11284, 11501, 12194, 13144, 14204, 14539, 16616, 19292, 21359, 22568, 23002, 24388, 24857, 27001, 28408, 29078, 38584, 42718, 46004, 46163, 48776, 49714, 54002, 58156, 85436, 92008, 92326, 99428, 108004, 110081, 116312, 149513, 170872, 184652, 189007, 198856, 216008, 220162, 299026, 323141, 369304, 378014, 440324, 598052, 646282, 756028, 770567, 880648, 1196104, 1292564, 1431053, 1512056, 1541134, 2585128, 2862106, 3082268, 5724212, 6164536, 10017371, 11448424, 20034742, 40069484, 80138968]

約数ペア:

[(1, 80138968), (2, 40069484), (4, 20034742), (7, 11448424), (8, 10017371), (13, 6164536), (14, 5724212), (26, 3082268), (28, 2862106), (31, 2585128), (52, 1541134), (53, 1512056), (56, 1431053), (62, 1292564), (67, 1196104), (91, 880648), (104, 770567), (106, 756028), (124, 646282), (134, 598052), (182, 440324), (212, 378014), (217, 369304), (248, 323141), (268, 299026), (364, 220162), (371, 216008), (403, 198856), (424, 189007), (434, 184652), (469, 170872), (536, 149513), (689, 116312), (728, 110081), (742, 108004), (806, 99428), (868, 92326), (871, 92008), (938, 85436), (1378, 58156), (1484, 54002), (1612, 49714), (1643, 48776), (1736, 46163), (1742, 46004), (1876, 42718), (2077, 38584), (2756, 29078), (2821, 28408), (2968, 27001), (3224, 24857), (3286, 24388), (3484, 23002), (3551, 22568), (3752, 21359), (4154, 19292), (4823, 16616), (5512, 14539), (5642, 14204), (6097, 13144), (6572, 12194), (6968, 11501), (7102, 11284), (8308, 9646)]