16001280

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{463}}^1$

素因数の和:493

約数の個数: 144

約数和(自身を含む): 56904960

約数和(自身を除く): 40903680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 463, 480, 540, 576, 640, 720, 768, 864, 926, 960, 1080, 1152, 1280, 1389, 1440, 1728, 1852, 1920, 2160, 2304, 2315, 2778, 2880, 3456, 3704, 3840, 4167, 4320, 4630, 5556, 5760, 6912, 6945, 7408, 8334, 8640, 9260, 11112, 11520, 12501, 13890, 14816, 16668, 17280, 18520, 20835, 22224, 25002, 27780, 29632, 33336, 34560, 37040, 41670, 44448, 50004, 55560, 59264, 62505, 66672, 74080, 83340, 88896, 100008, 111120, 118528, 125010, 133344, 148160, 166680, 177792, 200016, 222240, 250020, 266688, 296320, 333360, 355584, 400032, 444480, 500040, 533376, 592640, 666720, 800064, 888960, 1000080, 1066752, 1333440, 1600128, 1777920, 2000160, 2666880, 3200256, 4000320, 5333760, 8000640, 16001280]

約数ペア:

[(1, 16001280), (2, 8000640), (3, 5333760), (4, 4000320), (5, 3200256), (6, 2666880), (8, 2000160), (9, 1777920), (10, 1600128), (12, 1333440), (15, 1066752), (16, 1000080), (18, 888960), (20, 800064), (24, 666720), (27, 592640), (30, 533376), (32, 500040), (36, 444480), (40, 400032), (45, 355584), (48, 333360), (54, 296320), (60, 266688), (64, 250020), (72, 222240), (80, 200016), (90, 177792), (96, 166680), (108, 148160), (120, 133344), (128, 125010), (135, 118528), (144, 111120), (160, 100008), (180, 88896), (192, 83340), (216, 74080), (240, 66672), (256, 62505), (270, 59264), (288, 55560), (320, 50004), (360, 44448), (384, 41670), (432, 37040), (463, 34560), (480, 33336), (540, 29632), (576, 27780), (640, 25002), (720, 22224), (768, 20835), (864, 18520), (926, 17280), (960, 16668), (1080, 14816), (1152, 13890), (1280, 12501), (1389, 11520), (1440, 11112), (1728, 9260), (1852, 8640), (1920, 8334), (2160, 7408), (2304, 6945), (2315, 6912), (2778, 5760), (2880, 5556), (3456, 4630), (3704, 4320), (3840, 4167)]