640168368

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{673}}^1$

素因数の和:859

約数の個数: 160

約数和(自身を含む): 2005824000

約数和(自身を除く): 1365655632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 149, 152, 168, 228, 266, 298, 304, 336, 399, 447, 456, 532, 596, 673, 798, 894, 912, 1043, 1064, 1192, 1346, 1596, 1788, 2019, 2086, 2128, 2384, 2692, 2831, 3129, 3192, 3576, 4038, 4172, 4711, 5384, 5662, 6258, 6384, 7152, 8076, 8344, 8493, 9422, 10768, 11324, 12516, 12787, 14133, 16152, 16688, 16986, 18844, 19817, 22648, 25032, 25574, 28266, 32304, 33972, 37688, 38361, 39634, 45296, 50064, 51148, 56532, 59451, 67944, 75376, 76722, 79268, 89509, 100277, 102296, 113064, 118902, 135888, 153444, 158536, 179018, 200554, 204592, 226128, 237804, 268527, 300831, 306888, 317072, 358036, 401108, 475608, 537054, 601662, 613776, 701939, 716072, 802216, 951216, 1074108, 1203324, 1403878, 1432144, 1604432, 1905263, 2105817, 2148216, 2406648, 2807756, 3810526, 4211634, 4296432, 4813296, 5615512, 5715789, 7621052, 8423268, 11231024, 11431578, 13336841, 15242104, 16846536, 22863156, 26673682, 30484208, 33693072, 40010523, 45726312, 53347364, 80021046, 91452624, 106694728, 160042092, 213389456, 320084184, 640168368]

約数ペア:

[(1, 640168368), (2, 320084184), (3, 213389456), (4, 160042092), (6, 106694728), (7, 91452624), (8, 80021046), (12, 53347364), (14, 45726312), (16, 40010523), (19, 33693072), (21, 30484208), (24, 26673682), (28, 22863156), (38, 16846536), (42, 15242104), (48, 13336841), (56, 11431578), (57, 11231024), (76, 8423268), (84, 7621052), (112, 5715789), (114, 5615512), (133, 4813296), (149, 4296432), (152, 4211634), (168, 3810526), (228, 2807756), (266, 2406648), (298, 2148216), (304, 2105817), (336, 1905263), (399, 1604432), (447, 1432144), (456, 1403878), (532, 1203324), (596, 1074108), (673, 951216), (798, 802216), (894, 716072), (912, 701939), (1043, 613776), (1064, 601662), (1192, 537054), (1346, 475608), (1596, 401108), (1788, 358036), (2019, 317072), (2086, 306888), (2128, 300831), (2384, 268527), (2692, 237804), (2831, 226128), (3129, 204592), (3192, 200554), (3576, 179018), (4038, 158536), (4172, 153444), (4711, 135888), (5384, 118902), (5662, 113064), (6258, 102296), (6384, 100277), (7152, 89509), (8076, 79268), (8344, 76722), (8493, 75376), (9422, 67944), (10768, 59451), (11324, 56532), (12516, 51148), (12787, 50064), (14133, 45296), (16152, 39634), (16688, 38361), (16986, 37688), (18844, 33972), (19817, 32304), (22648, 28266), (25032, 25574)]