321280128

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7151}}^1$

素因数の和:7187

約数の個数: 128

約数和(自身を含む): 1021305600

約数和(自身を除く): 700025472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 288, 312, 351, 384, 416, 432, 468, 576, 624, 702, 832, 864, 936, 1152, 1248, 1404, 1664, 1728, 1872, 2496, 2808, 3456, 3744, 4992, 5616, 7151, 7488, 11232, 14302, 14976, 21453, 22464, 28604, 42906, 44928, 57208, 64359, 85812, 92963, 114416, 128718, 171624, 185926, 193077, 228832, 257436, 278889, 343248, 371852, 386154, 457664, 514872, 557778, 686496, 743704, 772308, 836667, 915328, 1029744, 1115556, 1372992, 1487408, 1544616, 1673334, 2059488, 2231112, 2510001, 2745984, 2974816, 3089232, 3346668, 4118976, 4462224, 5020002, 5949632, 6178464, 6693336, 8237952, 8924448, 10040004, 11899264, 12356928, 13386672, 17848896, 20080008, 24713856, 26773344, 35697792, 40160016, 53546688, 80320032, 107093376, 160640064, 321280128]

約数ペア:

[(1, 321280128), (2, 160640064), (3, 107093376), (4, 80320032), (6, 53546688), (8, 40160016), (9, 35697792), (12, 26773344), (13, 24713856), (16, 20080008), (18, 17848896), (24, 13386672), (26, 12356928), (27, 11899264), (32, 10040004), (36, 8924448), (39, 8237952), (48, 6693336), (52, 6178464), (54, 5949632), (64, 5020002), (72, 4462224), (78, 4118976), (96, 3346668), (104, 3089232), (108, 2974816), (117, 2745984), (128, 2510001), (144, 2231112), (156, 2059488), (192, 1673334), (208, 1544616), (216, 1487408), (234, 1372992), (288, 1115556), (312, 1029744), (351, 915328), (384, 836667), (416, 772308), (432, 743704), (468, 686496), (576, 557778), (624, 514872), (702, 457664), (832, 386154), (864, 371852), (936, 343248), (1152, 278889), (1248, 257436), (1404, 228832), (1664, 193077), (1728, 185926), (1872, 171624), (2496, 128718), (2808, 114416), (3456, 92963), (3744, 85812), (4992, 64359), (5616, 57208), (7151, 44928), (7488, 42906), (11232, 28604), (14302, 22464), (14976, 21453)]