82756520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 235388160

約数和(自身を除く): 152631640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 97, 110, 140, 154, 194, 220, 277, 280, 308, 385, 388, 440, 485, 554, 616, 679, 770, 776, 970, 1067, 1108, 1358, 1385, 1540, 1939, 1940, 2134, 2216, 2716, 2770, 3047, 3080, 3395, 3878, 3880, 4268, 5335, 5432, 5540, 6094, 6790, 7469, 7756, 8536, 9695, 10670, 11080, 12188, 13580, 14938, 15235, 15512, 19390, 21329, 21340, 24376, 26869, 27160, 29876, 30470, 37345, 38780, 42658, 42680, 53738, 59752, 60940, 74690, 77560, 85316, 106645, 107476, 121880, 134345, 149380, 170632, 188083, 213290, 214952, 268690, 295559, 298760, 376166, 426580, 537380, 591118, 752332, 853160, 940415, 1074760, 1182236, 1477795, 1504664, 1880830, 2068913, 2364472, 2955590, 3761660, 4137826, 5911180, 7523320, 8275652, 10344565, 11822360, 16551304, 20689130, 41378260, 82756520]

約数ペア:

[(1, 82756520), (2, 41378260), (4, 20689130), (5, 16551304), (7, 11822360), (8, 10344565), (10, 8275652), (11, 7523320), (14, 5911180), (20, 4137826), (22, 3761660), (28, 2955590), (35, 2364472), (40, 2068913), (44, 1880830), (55, 1504664), (56, 1477795), (70, 1182236), (77, 1074760), (88, 940415), (97, 853160), (110, 752332), (140, 591118), (154, 537380), (194, 426580), (220, 376166), (277, 298760), (280, 295559), (308, 268690), (385, 214952), (388, 213290), (440, 188083), (485, 170632), (554, 149380), (616, 134345), (679, 121880), (770, 107476), (776, 106645), (970, 85316), (1067, 77560), (1108, 74690), (1358, 60940), (1385, 59752), (1540, 53738), (1939, 42680), (1940, 42658), (2134, 38780), (2216, 37345), (2716, 30470), (2770, 29876), (3047, 27160), (3080, 26869), (3395, 24376), (3878, 21340), (3880, 21329), (4268, 19390), (5335, 15512), (5432, 15235), (5540, 14938), (6094, 13580), (6790, 12188), (7469, 11080), (7756, 10670), (8536, 9695)]