248478720

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^1\times {\mathrm{2311}}^1$

素因数の和:2346

約数の個数: 176

約数和(自身を含む): 908671488

約数和(自身を除く): 660192768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2311, 2560, 2688, 3072, 3360, 3584, 3840, 4480, 4622, 5120, 5376, 6720, 6933, 7168, 7680, 8960, 9244, 10752, 11555, 13440, 13866, 15360, 16177, 17920, 18488, 21504, 23110, 26880, 27732, 32354, 34665, 35840, 36976, 46220, 48531, 53760, 55464, 64708, 69330, 73952, 80885, 92440, 97062, 107520, 110928, 129416, 138660, 147904, 161770, 184880, 194124, 221856, 242655, 258832, 277320, 295808, 323540, 369760, 388248, 443712, 485310, 517664, 554640, 591616, 647080, 739520, 776496, 887424, 970620, 1035328, 1109280, 1183232, 1294160, 1479040, 1552992, 1774848, 1941240, 2070656, 2218560, 2366464, 2588320, 2958080, 3105984, 3549696, 3882480, 4141312, 4437120, 5176640, 5916160, 6211968, 7099392, 7764960, 8282624, 8874240, 10353280, 11832320, 12423936, 15529920, 16565248, 17748480, 20706560, 24847872, 31059840, 35496960, 41413120, 49695744, 62119680, 82826240, 124239360, 248478720]

約数ペア:

[(1, 248478720), (2, 124239360), (3, 82826240), (4, 62119680), (5, 49695744), (6, 41413120), (7, 35496960), (8, 31059840), (10, 24847872), (12, 20706560), (14, 17748480), (15, 16565248), (16, 15529920), (20, 12423936), (21, 11832320), (24, 10353280), (28, 8874240), (30, 8282624), (32, 7764960), (35, 7099392), (40, 6211968), (42, 5916160), (48, 5176640), (56, 4437120), (60, 4141312), (64, 3882480), (70, 3549696), (80, 3105984), (84, 2958080), (96, 2588320), (105, 2366464), (112, 2218560), (120, 2070656), (128, 1941240), (140, 1774848), (160, 1552992), (168, 1479040), (192, 1294160), (210, 1183232), (224, 1109280), (240, 1035328), (256, 970620), (280, 887424), (320, 776496), (336, 739520), (384, 647080), (420, 591616), (448, 554640), (480, 517664), (512, 485310), (560, 443712), (640, 388248), (672, 369760), (768, 323540), (840, 295808), (896, 277320), (960, 258832), (1024, 242655), (1120, 221856), (1280, 194124), (1344, 184880), (1536, 161770), (1680, 147904), (1792, 138660), (1920, 129416), (2240, 110928), (2311, 107520), (2560, 97062), (2688, 92440), (3072, 80885), (3360, 73952), (3584, 69330), (3840, 64708), (4480, 55464), (4622, 53760), (5120, 48531), (5376, 46220), (6720, 36976), (6933, 35840), (7168, 34665), (7680, 32354), (8960, 27732), (9244, 26880), (10752, 23110), (11555, 21504), (13440, 18488), (13866, 17920), (15360, 16177)]