256752912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 120

約数和(自身を含む): 742119168

約数和(自身を除く): 485366256

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 169, 186, 208, 248, 312, 338, 372, 403, 496, 507, 624, 676, 744, 806, 1014, 1021, 1209, 1352, 1488, 1612, 2028, 2042, 2418, 2704, 3063, 3224, 4056, 4084, 4836, 5239, 6126, 6448, 8112, 8168, 9672, 10478, 12252, 13273, 15717, 16336, 19344, 20956, 24504, 26546, 31434, 31651, 39819, 41912, 49008, 53092, 62868, 63302, 79638, 83824, 94953, 106184, 125736, 126604, 159276, 172549, 189906, 212368, 251472, 253208, 318552, 345098, 379812, 411463, 506416, 517647, 637104, 690196, 759624, 822926, 1035294, 1234389, 1380392, 1519248, 1645852, 2070588, 2468778, 2760784, 3291704, 4141176, 4937556, 5349019, 6583408, 8282352, 9875112, 10698038, 16047057, 19750224, 21396076, 32094114, 42792152, 64188228, 85584304, 128376456, 256752912]

約数ペア:

[(1, 256752912), (2, 128376456), (3, 85584304), (4, 64188228), (6, 42792152), (8, 32094114), (12, 21396076), (13, 19750224), (16, 16047057), (24, 10698038), (26, 9875112), (31, 8282352), (39, 6583408), (48, 5349019), (52, 4937556), (62, 4141176), (78, 3291704), (93, 2760784), (104, 2468778), (124, 2070588), (156, 1645852), (169, 1519248), (186, 1380392), (208, 1234389), (248, 1035294), (312, 822926), (338, 759624), (372, 690196), (403, 637104), (496, 517647), (507, 506416), (624, 411463), (676, 379812), (744, 345098), (806, 318552), (1014, 253208), (1021, 251472), (1209, 212368), (1352, 189906), (1488, 172549), (1612, 159276), (2028, 126604), (2042, 125736), (2418, 106184), (2704, 94953), (3063, 83824), (3224, 79638), (4056, 63302), (4084, 62868), (4836, 53092), (5239, 49008), (6126, 41912), (6448, 39819), (8112, 31651), (8168, 31434), (9672, 26546), (10478, 24504), (12252, 20956), (13273, 19344), (15717, 16336)]