8000640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{463}}^1$

素因数の和:491

約数の個数: 128

約数和(自身を含む): 28396800

約数和(自身を除く): 20396160

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, 270, 288, 320, 360, 384, 432, 463, 480, 540, 576, 640, 720, 864, 926, 960, 1080, 1152, 1389, 1440, 1728, 1852, 1920, 2160, 2315, 2778, 2880, 3456, 3704, 4167, 4320, 4630, 5556, 5760, 6945, 7408, 8334, 8640, 9260, 11112, 12501, 13890, 14816, 16668, 17280, 18520, 20835, 22224, 25002, 27780, 29632, 33336, 37040, 41670, 44448, 50004, 55560, 59264, 62505, 66672, 74080, 83340, 88896, 100008, 111120, 125010, 133344, 148160, 166680, 177792, 200016, 222240, 250020, 266688, 296320, 333360, 400032, 444480, 500040, 533376, 666720, 800064, 888960, 1000080, 1333440, 1600128, 2000160, 2666880, 4000320, 8000640]

約数ペア:

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