641678688

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4483}}^1$

素因数の和:4577

約数の個数: 144

約数和(自身を含む): 2115300096

約数和(自身を除く): 1473621408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 71, 72, 84, 96, 112, 126, 142, 144, 168, 213, 224, 252, 284, 288, 336, 426, 497, 504, 568, 639, 672, 852, 994, 1008, 1136, 1278, 1491, 1704, 1988, 2016, 2272, 2556, 2982, 3408, 3976, 4473, 4483, 5112, 5964, 6816, 7952, 8946, 8966, 10224, 11928, 13449, 15904, 17892, 17932, 20448, 23856, 26898, 31381, 35784, 35864, 40347, 47712, 53796, 62762, 71568, 71728, 80694, 94143, 107592, 125524, 143136, 143456, 161388, 188286, 215184, 251048, 282429, 318293, 322776, 376572, 430368, 502096, 564858, 636586, 645552, 753144, 954879, 1004192, 1129716, 1273172, 1291104, 1506288, 1909758, 2228051, 2259432, 2546344, 2864637, 3012576, 3819516, 4456102, 4518864, 5092688, 5729274, 6684153, 7639032, 8912204, 9037728, 10185376, 11458548, 13368306, 15278064, 17824408, 20052459, 22917096, 26736612, 30556128, 35648816, 40104918, 45834192, 53473224, 71297632, 80209836, 91668384, 106946448, 160419672, 213892896, 320839344, 641678688]

約数ペア:

[(1, 641678688), (2, 320839344), (3, 213892896), (4, 160419672), (6, 106946448), (7, 91668384), (8, 80209836), (9, 71297632), (12, 53473224), (14, 45834192), (16, 40104918), (18, 35648816), (21, 30556128), (24, 26736612), (28, 22917096), (32, 20052459), (36, 17824408), (42, 15278064), (48, 13368306), (56, 11458548), (63, 10185376), (71, 9037728), (72, 8912204), (84, 7639032), (96, 6684153), (112, 5729274), (126, 5092688), (142, 4518864), (144, 4456102), (168, 3819516), (213, 3012576), (224, 2864637), (252, 2546344), (284, 2259432), (288, 2228051), (336, 1909758), (426, 1506288), (497, 1291104), (504, 1273172), (568, 1129716), (639, 1004192), (672, 954879), (852, 753144), (994, 645552), (1008, 636586), (1136, 564858), (1278, 502096), (1491, 430368), (1704, 376572), (1988, 322776), (2016, 318293), (2272, 282429), (2556, 251048), (2982, 215184), (3408, 188286), (3976, 161388), (4473, 143456), (4483, 143136), (5112, 125524), (5964, 107592), (6816, 94143), (7952, 80694), (8946, 71728), (8966, 71568), (10224, 62762), (11928, 53796), (13449, 47712), (15904, 40347), (17892, 35864), (17932, 35784), (20448, 31381), (23856, 26898)]