65280000

素因数分解:

$2^{11}\times 3^1\times 5^4\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 240

約数和(自身を含む): 230270040

約数和(自身を除く): 164990040

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, 80, 85, 96, 100, 102, 120, 125, 128, 136, 150, 160, 170, 192, 200, 204, 240, 250, 255, 256, 272, 300, 320, 340, 375, 384, 400, 408, 425, 480, 500, 510, 512, 544, 600, 625, 640, 680, 750, 768, 800, 816, 850, 960, 1000, 1020, 1024, 1088, 1200, 1250, 1275, 1280, 1360, 1500, 1536, 1600, 1632, 1700, 1875, 1920, 2000, 2040, 2048, 2125, 2176, 2400, 2500, 2550, 2560, 2720, 3000, 3072, 3200, 3264, 3400, 3750, 3840, 4000, 4080, 4250, 4352, 4800, 5000, 5100, 5120, 5440, 6000, 6144, 6375, 6400, 6528, 6800, 7500, 7680, 8000, 8160, 8500, 8704, 9600, 10000, 10200, 10240, 10625, 10880, 12000, 12750, 12800, 13056, 13600, 15000, 15360, 16000, 16320, 17000, 17408, 19200, 20000, 20400, 21250, 21760, 24000, 25500, 25600, 26112, 27200, 30000, 30720, 31875, 32000, 32640, 34000, 34816, 38400, 40000, 40800, 42500, 43520, 48000, 51000, 51200, 52224, 54400, 60000, 63750, 64000, 65280, 68000, 76800, 80000, 81600, 85000, 87040, 96000, 102000, 104448, 108800, 120000, 127500, 128000, 130560, 136000, 153600, 160000, 163200, 170000, 174080, 192000, 204000, 217600, 240000, 255000, 256000, 261120, 272000, 320000, 326400, 340000, 384000, 408000, 435200, 480000, 510000, 522240, 544000, 640000, 652800, 680000, 768000, 816000, 870400, 960000, 1020000, 1088000, 1280000, 1305600, 1360000, 1632000, 1920000, 2040000, 2176000, 2611200, 2720000, 3264000, 3840000, 4080000, 4352000, 5440000, 6528000, 8160000, 10880000, 13056000, 16320000, 21760000, 32640000, 65280000]

約数ペア:

[(1, 65280000), (2, 32640000), (3, 21760000), (4, 16320000), (5, 13056000), (6, 10880000), (8, 8160000), (10, 6528000), (12, 5440000), (15, 4352000), (16, 4080000), (17, 3840000), (20, 3264000), (24, 2720000), (25, 2611200), (30, 2176000), (32, 2040000), (34, 1920000), (40, 1632000), (48, 1360000), (50, 1305600), (51, 1280000), (60, 1088000), (64, 1020000), (68, 960000), (75, 870400), (80, 816000), (85, 768000), (96, 680000), (100, 652800), (102, 640000), (120, 544000), (125, 522240), (128, 510000), (136, 480000), (150, 435200), (160, 408000), (170, 384000), (192, 340000), (200, 326400), (204, 320000), (240, 272000), (250, 261120), (255, 256000), (256, 255000), (272, 240000), (300, 217600), (320, 204000), (340, 192000), (375, 174080), (384, 170000), (400, 163200), (408, 160000), (425, 153600), (480, 136000), (500, 130560), (510, 128000), (512, 127500), (544, 120000), (600, 108800), (625, 104448), (640, 102000), (680, 96000), (750, 87040), (768, 85000), (800, 81600), (816, 80000), (850, 76800), (960, 68000), (1000, 65280), (1020, 64000), (1024, 63750), (1088, 60000), (1200, 54400), (1250, 52224), (1275, 51200), (1280, 51000), (1360, 48000), (1500, 43520), (1536, 42500), (1600, 40800), (1632, 40000), (1700, 38400), (1875, 34816), (1920, 34000), (2000, 32640), (2040, 32000), (2048, 31875), (2125, 30720), (2176, 30000), (2400, 27200), (2500, 26112), (2550, 25600), (2560, 25500), (2720, 24000), (3000, 21760), (3072, 21250), (3200, 20400), (3264, 20000), (3400, 19200), (3750, 17408), (3840, 17000), (4000, 16320), (4080, 16000), (4250, 15360), (4352, 15000), (4800, 13600), (5000, 13056), (5100, 12800), (5120, 12750), (5440, 12000), (6000, 10880), (6144, 10625), (6375, 10240), (6400, 10200), (6528, 10000), (6800, 9600), (7500, 8704), (7680, 8500), (8000, 8160)]