256762128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 160

約数和(自身を含む): 788520960

約数和(自身を除く): 531758832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 71, 84, 94, 112, 141, 142, 168, 188, 213, 229, 282, 284, 329, 336, 376, 426, 458, 497, 564, 568, 658, 687, 752, 852, 916, 987, 994, 1128, 1136, 1316, 1374, 1491, 1603, 1704, 1832, 1974, 1988, 2256, 2632, 2748, 2982, 3206, 3337, 3408, 3664, 3948, 3976, 4809, 5264, 5496, 5964, 6412, 6674, 7896, 7952, 9618, 10011, 10763, 10992, 11928, 12824, 13348, 15792, 16259, 19236, 20022, 21526, 23359, 23856, 25648, 26696, 32289, 32518, 38472, 40044, 43052, 46718, 48777, 53392, 64578, 65036, 70077, 75341, 76944, 80088, 86104, 93436, 97554, 113813, 129156, 130072, 140154, 150682, 160176, 172208, 186872, 195108, 226023, 227626, 258312, 260144, 280308, 301364, 341439, 373744, 390216, 452046, 455252, 516624, 560616, 602728, 682878, 764173, 780432, 904092, 910504, 1121232, 1205456, 1365756, 1528346, 1808184, 1821008, 2292519, 2731512, 3056692, 3616368, 4585038, 5349211, 5463024, 6113384, 9170076, 10698422, 12226768, 16047633, 18340152, 21396844, 32095266, 36680304, 42793688, 64190532, 85587376, 128381064, 256762128]

約数ペア:

[(1, 256762128), (2, 128381064), (3, 85587376), (4, 64190532), (6, 42793688), (7, 36680304), (8, 32095266), (12, 21396844), (14, 18340152), (16, 16047633), (21, 12226768), (24, 10698422), (28, 9170076), (42, 6113384), (47, 5463024), (48, 5349211), (56, 4585038), (71, 3616368), (84, 3056692), (94, 2731512), (112, 2292519), (141, 1821008), (142, 1808184), (168, 1528346), (188, 1365756), (213, 1205456), (229, 1121232), (282, 910504), (284, 904092), (329, 780432), (336, 764173), (376, 682878), (426, 602728), (458, 560616), (497, 516624), (564, 455252), (568, 452046), (658, 390216), (687, 373744), (752, 341439), (852, 301364), (916, 280308), (987, 260144), (994, 258312), (1128, 227626), (1136, 226023), (1316, 195108), (1374, 186872), (1491, 172208), (1603, 160176), (1704, 150682), (1832, 140154), (1974, 130072), (1988, 129156), (2256, 113813), (2632, 97554), (2748, 93436), (2982, 86104), (3206, 80088), (3337, 76944), (3408, 75341), (3664, 70077), (3948, 65036), (3976, 64578), (4809, 53392), (5264, 48777), (5496, 46718), (5964, 43052), (6412, 40044), (6674, 38472), (7896, 32518), (7952, 32289), (9618, 26696), (10011, 25648), (10763, 23856), (10992, 23359), (11928, 21526), (12824, 20022), (13348, 19236), (15792, 16259)]