256309488

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{19139}}^1$

素因数の和:19187

約数の個数: 80

約数和(自身を含む): 759475200

約数和(自身を除く): 503165712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1674, 2232, 3348, 4464, 6696, 13392, 19139, 38278, 57417, 76556, 114834, 153112, 172251, 229668, 306224, 344502, 459336, 516753, 593309, 689004, 918672, 1033506, 1186618, 1378008, 1779927, 2067012, 2373236, 2756016, 3559854, 4134024, 4746472, 5339781, 7119708, 8268048, 9492944, 10679562, 14239416, 16019343, 21359124, 28478832, 32038686, 42718248, 64077372, 85436496, 128154744, 256309488]

約数ペア:

[(1, 256309488), (2, 128154744), (3, 85436496), (4, 64077372), (6, 42718248), (8, 32038686), (9, 28478832), (12, 21359124), (16, 16019343), (18, 14239416), (24, 10679562), (27, 9492944), (31, 8268048), (36, 7119708), (48, 5339781), (54, 4746472), (62, 4134024), (72, 3559854), (93, 2756016), (108, 2373236), (124, 2067012), (144, 1779927), (186, 1378008), (216, 1186618), (248, 1033506), (279, 918672), (372, 689004), (432, 593309), (496, 516753), (558, 459336), (744, 344502), (837, 306224), (1116, 229668), (1488, 172251), (1674, 153112), (2232, 114834), (3348, 76556), (4464, 57417), (6696, 38278), (13392, 19139)]