128928000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 459164160

約数和(自身を除く): 330236160

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, 544, 600, 632, 640, 680, 750, 768, 790, 800, 816, 850, 948, 960, 1000, 1020, 1088, 1185, 1200, 1264, 1275, 1280, 1343, 1360, 1500, 1580, 1600, 1632, 1700, 1896, 1920, 1975, 2000, 2040, 2125, 2176, 2370, 2400, 2528, 2550, 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, 7900, 8000, 8058, 8160, 8500, 9480, 9600, 9875, 10112, 10200, 10744, 10880, 11850, 12000, 12640, 12750, 13056, 13430, 13600, 15168, 15800, 16000, 16116, 16320, 17000, 18960, 19200, 19750, 20145, 20224, 20400, 21488, 21760, 23700, 24000, 25280, 25500, 26860, 27200, 29625, 30336, 31600, 32000, 32232, 32640, 33575, 34000, 37920, 39500, 40290, 40800, 42976, 47400, 48000, 50560, 51000, 53720, 54400, 59250, 60672, 63200, 64464, 65280, 67150, 68000, 75840, 79000, 80580, 81600, 85952, 94800, 96000, 100725, 101120, 102000, 107440, 108800, 118500, 126400, 128928, 134300, 136000, 151680, 158000, 161160, 163200, 167875, 171904, 189600, 201450, 204000, 214880, 237000, 252800, 257856, 268600, 272000, 303360, 316000, 322320, 326400, 335750, 343808, 379200, 402900, 408000, 429760, 474000, 503625, 505600, 515712, 537200, 544000, 632000, 644640, 671500, 758400, 805800, 816000, 859520, 948000, 1007250, 1031424, 1074400, 1264000, 1289280, 1343000, 1516800, 1611600, 1632000, 1719040, 1896000, 2014500, 2148800, 2528000, 2578560, 2686000, 3223200, 3792000, 4029000, 4297600, 5157120, 5372000, 6446400, 7584000, 8058000, 8595200, 10744000, 12892800, 16116000, 21488000, 25785600, 32232000, 42976000, 64464000, 128928000]

約数ペア:

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