256603872

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{997}}^1$

素因数の和:1400

約数の個数: 96

約数和(自身を含む): 772595712

約数和(自身を除く): 515991840

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 383, 672, 766, 997, 1149, 1532, 1994, 2298, 2681, 2991, 3064, 3988, 4596, 5362, 5982, 6128, 6979, 7976, 8043, 9192, 10724, 11964, 12256, 13958, 15952, 16086, 18384, 20937, 21448, 23928, 27916, 31904, 32172, 36768, 41874, 42896, 47856, 55832, 64344, 83748, 85792, 95712, 111664, 128688, 167496, 223328, 257376, 334992, 381851, 669984, 763702, 1145553, 1527404, 2291106, 2672957, 3054808, 4582212, 5345914, 6109616, 8018871, 9164424, 10691828, 12219232, 16037742, 18328848, 21383656, 32075484, 36657696, 42767312, 64150968, 85534624, 128301936, 256603872]

約数ペア:

[(1, 256603872), (2, 128301936), (3, 85534624), (4, 64150968), (6, 42767312), (7, 36657696), (8, 32075484), (12, 21383656), (14, 18328848), (16, 16037742), (21, 12219232), (24, 10691828), (28, 9164424), (32, 8018871), (42, 6109616), (48, 5345914), (56, 4582212), (84, 3054808), (96, 2672957), (112, 2291106), (168, 1527404), (224, 1145553), (336, 763702), (383, 669984), (672, 381851), (766, 334992), (997, 257376), (1149, 223328), (1532, 167496), (1994, 128688), (2298, 111664), (2681, 95712), (2991, 85792), (3064, 83748), (3988, 64344), (4596, 55832), (5362, 47856), (5982, 42896), (6128, 41874), (6979, 36768), (7976, 32172), (8043, 31904), (9192, 27916), (10724, 23928), (11964, 21448), (12256, 20937), (13958, 18384), (15952, 16086)]