18001440

素因数分解:

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

素因数の和:493

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 45841248

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 463, 480, 486, 540, 648, 720, 810, 864, 926, 972, 1080, 1215, 1296, 1389, 1440, 1620, 1852, 1944, 2160, 2315, 2430, 2592, 2778, 3240, 3704, 3888, 4167, 4320, 4630, 4860, 5556, 6480, 6945, 7408, 7776, 8334, 9260, 9720, 11112, 12501, 12960, 13890, 14816, 16668, 18520, 19440, 20835, 22224, 25002, 27780, 33336, 37040, 37503, 38880, 41670, 44448, 50004, 55560, 62505, 66672, 74080, 75006, 83340, 100008, 111120, 112509, 125010, 133344, 150012, 166680, 187515, 200016, 222240, 225018, 250020, 300024, 333360, 375030, 400032, 450036, 500040, 562545, 600048, 666720, 750060, 900072, 1000080, 1125090, 1200096, 1500120, 1800144, 2000160, 2250180, 3000240, 3600288, 4500360, 6000480, 9000720, 18001440]

約数ペア:

[(1, 18001440), (2, 9000720), (3, 6000480), (4, 4500360), (5, 3600288), (6, 3000240), (8, 2250180), (9, 2000160), (10, 1800144), (12, 1500120), (15, 1200096), (16, 1125090), (18, 1000080), (20, 900072), (24, 750060), (27, 666720), (30, 600048), (32, 562545), (36, 500040), (40, 450036), (45, 400032), (48, 375030), (54, 333360), (60, 300024), (72, 250020), (80, 225018), (81, 222240), (90, 200016), (96, 187515), (108, 166680), (120, 150012), (135, 133344), (144, 125010), (160, 112509), (162, 111120), (180, 100008), (216, 83340), (240, 75006), (243, 74080), (270, 66672), (288, 62505), (324, 55560), (360, 50004), (405, 44448), (432, 41670), (463, 38880), (480, 37503), (486, 37040), (540, 33336), (648, 27780), (720, 25002), (810, 22224), (864, 20835), (926, 19440), (972, 18520), (1080, 16668), (1215, 14816), (1296, 13890), (1389, 12960), (1440, 12501), (1620, 11112), (1852, 9720), (1944, 9260), (2160, 8334), (2315, 7776), (2430, 7408), (2592, 6945), (2778, 6480), (3240, 5556), (3704, 4860), (3888, 4630), (4167, 4320)]