1728666240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{128621}}^1$

素因数の和:128650

約数の個数: 128

約数和(自身を含む): 6297333120

約数和(自身を除く): 4568666880

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 128621, 257242, 385863, 514484, 643105, 771726, 900347, 1028968, 1286210, 1543452, 1800694, 1929315, 2057936, 2572420, 2701041, 3086904, 3601388, 3858630, 4115872, 4501735, 5144840, 5402082, 6173808, 7202776, 7717260, 8231744, 9003470, 10289680, 10804164, 12347616, 13505205, 14405552, 15434520, 16463488, 18006940, 20579360, 21608328, 24695232, 27010410, 28811104, 30869040, 36013880, 41158720, 43216656, 49390464, 54020820, 57622208, 61738080, 72027760, 82317440, 86433312, 108041640, 115244416, 123476160, 144055520, 172866624, 216083280, 246952320, 288111040, 345733248, 432166560, 576222080, 864333120, 1728666240]

約数ペア:

[(1, 1728666240), (2, 864333120), (3, 576222080), (4, 432166560), (5, 345733248), (6, 288111040), (7, 246952320), (8, 216083280), (10, 172866624), (12, 144055520), (14, 123476160), (15, 115244416), (16, 108041640), (20, 86433312), (21, 82317440), (24, 72027760), (28, 61738080), (30, 57622208), (32, 54020820), (35, 49390464), (40, 43216656), (42, 41158720), (48, 36013880), (56, 30869040), (60, 28811104), (64, 27010410), (70, 24695232), (80, 21608328), (84, 20579360), (96, 18006940), (105, 16463488), (112, 15434520), (120, 14405552), (128, 13505205), (140, 12347616), (160, 10804164), (168, 10289680), (192, 9003470), (210, 8231744), (224, 7717260), (240, 7202776), (280, 6173808), (320, 5402082), (336, 5144840), (384, 4501735), (420, 4115872), (448, 3858630), (480, 3601388), (560, 3086904), (640, 2701041), (672, 2572420), (840, 2057936), (896, 1929315), (960, 1800694), (1120, 1543452), (1344, 1286210), (1680, 1028968), (1920, 900347), (2240, 771726), (2688, 643105), (3360, 514484), (4480, 385863), (6720, 257242), (13440, 128621)]