257856000

素因数分解:

$2^9\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 320

約数和(自身を含む): 919226880

約数和(自身を除く): 661370880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 64, 68, 75, 79, 80, 85, 96, 100, 102, 120, 125, 128, 136, 150, 158, 160, 170, 192, 200, 204, 237, 240, 250, 255, 256, 272, 300, 316, 320, 340, 375, 384, 395, 400, 408, 425, 474, 480, 500, 510, 512, 544, 600, 632, 640, 680, 750, 768, 790, 800, 816, 850, 948, 960, 1000, 1020, 1088, 1185, 1200, 1264, 1275, 1280, 1343, 1360, 1500, 1536, 1580, 1600, 1632, 1700, 1896, 1920, 1975, 2000, 2040, 2125, 2176, 2370, 2400, 2528, 2550, 2560, 2686, 2720, 3000, 3160, 3200, 3264, 3400, 3792, 3840, 3950, 4000, 4029, 4080, 4250, 4352, 4740, 4800, 5056, 5100, 5372, 5440, 5925, 6000, 6320, 6375, 6400, 6528, 6715, 6800, 7584, 7680, 7900, 8000, 8058, 8160, 8500, 8704, 9480, 9600, 9875, 10112, 10200, 10744, 10880, 11850, 12000, 12640, 12750, 12800, 13056, 13430, 13600, 15168, 15800, 16000, 16116, 16320, 17000, 18960, 19200, 19750, 20145, 20224, 20400, 21488, 21760, 23700, 24000, 25280, 25500, 26112, 26860, 27200, 29625, 30336, 31600, 32000, 32232, 32640, 33575, 34000, 37920, 38400, 39500, 40290, 40448, 40800, 42976, 43520, 47400, 48000, 50560, 51000, 53720, 54400, 59250, 60672, 63200, 64000, 64464, 65280, 67150, 68000, 75840, 79000, 80580, 81600, 85952, 94800, 96000, 100725, 101120, 102000, 107440, 108800, 118500, 121344, 126400, 128928, 130560, 134300, 136000, 151680, 158000, 161160, 163200, 167875, 171904, 189600, 192000, 201450, 202240, 204000, 214880, 217600, 237000, 252800, 257856, 268600, 272000, 303360, 316000, 322320, 326400, 335750, 343808, 379200, 402900, 408000, 429760, 474000, 503625, 505600, 515712, 537200, 544000, 606720, 632000, 644640, 652800, 671500, 687616, 758400, 805800, 816000, 859520, 948000, 1007250, 1011200, 1031424, 1074400, 1088000, 1264000, 1289280, 1343000, 1516800, 1611600, 1632000, 1719040, 1896000, 2014500, 2062848, 2148800, 2528000, 2578560, 2686000, 3033600, 3223200, 3264000, 3438080, 3792000, 4029000, 4297600, 5056000, 5157120, 5372000, 6446400, 7584000, 8058000, 8595200, 10314240, 10744000, 12892800, 15168000, 16116000, 17190400, 21488000, 25785600, 32232000, 42976000, 51571200, 64464000, 85952000, 128928000, 257856000]

約数ペア:

[(1, 257856000), (2, 128928000), (3, 85952000), (4, 64464000), (5, 51571200), (6, 42976000), (8, 32232000), (10, 25785600), (12, 21488000), (15, 17190400), (16, 16116000), (17, 15168000), (20, 12892800), (24, 10744000), (25, 10314240), (30, 8595200), (32, 8058000), (34, 7584000), (40, 6446400), (48, 5372000), (50, 5157120), (51, 5056000), (60, 4297600), (64, 4029000), (68, 3792000), (75, 3438080), (79, 3264000), (80, 3223200), (85, 3033600), (96, 2686000), (100, 2578560), (102, 2528000), (120, 2148800), (125, 2062848), (128, 2014500), (136, 1896000), (150, 1719040), (158, 1632000), (160, 1611600), (170, 1516800), (192, 1343000), (200, 1289280), (204, 1264000), (237, 1088000), (240, 1074400), (250, 1031424), (255, 1011200), (256, 1007250), (272, 948000), (300, 859520), (316, 816000), (320, 805800), (340, 758400), (375, 687616), (384, 671500), (395, 652800), (400, 644640), (408, 632000), (425, 606720), (474, 544000), (480, 537200), (500, 515712), (510, 505600), (512, 503625), (544, 474000), (600, 429760), (632, 408000), (640, 402900), (680, 379200), (750, 343808), (768, 335750), (790, 326400), (800, 322320), (816, 316000), (850, 303360), (948, 272000), (960, 268600), (1000, 257856), (1020, 252800), (1088, 237000), (1185, 217600), (1200, 214880), (1264, 204000), (1275, 202240), (1280, 201450), (1343, 192000), (1360, 189600), (1500, 171904), (1536, 167875), (1580, 163200), (1600, 161160), (1632, 158000), (1700, 151680), (1896, 136000), (1920, 134300), (1975, 130560), (2000, 128928), (2040, 126400), (2125, 121344), (2176, 118500), (2370, 108800), (2400, 107440), (2528, 102000), (2550, 101120), (2560, 100725), (2686, 96000), (2720, 94800), (3000, 85952), (3160, 81600), (3200, 80580), (3264, 79000), (3400, 75840), (3792, 68000), (3840, 67150), (3950, 65280), (4000, 64464), (4029, 64000), (4080, 63200), (4250, 60672), (4352, 59250), (4740, 54400), (4800, 53720), (5056, 51000), (5100, 50560), (5372, 48000), (5440, 47400), (5925, 43520), (6000, 42976), (6320, 40800), (6375, 40448), (6400, 40290), (6528, 39500), (6715, 38400), (6800, 37920), (7584, 34000), (7680, 33575), (7900, 32640), (8000, 32232), (8058, 32000), (8160, 31600), (8500, 30336), (8704, 29625), (9480, 27200), (9600, 26860), (9875, 26112), (10112, 25500), (10200, 25280), (10744, 24000), (10880, 23700), (11850, 21760), (12000, 21488), (12640, 20400), (12750, 20224), (12800, 20145), (13056, 19750), (13430, 19200), (13600, 18960), (15168, 17000), (15800, 16320), (16000, 16116)]