18137520

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{311}}^1$

素因数の和:342

約数の個数: 140

約数和(自身を含む): 63428976

約数和(自身を除く): 45291456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 311, 324, 360, 405, 432, 486, 540, 622, 648, 720, 729, 810, 933, 972, 1080, 1215, 1244, 1296, 1458, 1555, 1620, 1866, 1944, 2160, 2430, 2488, 2799, 2916, 3110, 3240, 3645, 3732, 3888, 4665, 4860, 4976, 5598, 5832, 6220, 6480, 7290, 7464, 8397, 9330, 9720, 11196, 11664, 12440, 13995, 14580, 14928, 16794, 18660, 19440, 22392, 24880, 25191, 27990, 29160, 33588, 37320, 41985, 44784, 50382, 55980, 58320, 67176, 74640, 75573, 83970, 100764, 111960, 125955, 134352, 151146, 167940, 201528, 223920, 226719, 251910, 302292, 335880, 377865, 403056, 453438, 503820, 604584, 671760, 755730, 906876, 1007640, 1133595, 1209168, 1511460, 1813752, 2015280, 2267190, 3022920, 3627504, 4534380, 6045840, 9068760, 18137520]

約数ペア:

[(1, 18137520), (2, 9068760), (3, 6045840), (4, 4534380), (5, 3627504), (6, 3022920), (8, 2267190), (9, 2015280), (10, 1813752), (12, 1511460), (15, 1209168), (16, 1133595), (18, 1007640), (20, 906876), (24, 755730), (27, 671760), (30, 604584), (36, 503820), (40, 453438), (45, 403056), (48, 377865), (54, 335880), (60, 302292), (72, 251910), (80, 226719), (81, 223920), (90, 201528), (108, 167940), (120, 151146), (135, 134352), (144, 125955), (162, 111960), (180, 100764), (216, 83970), (240, 75573), (243, 74640), (270, 67176), (311, 58320), (324, 55980), (360, 50382), (405, 44784), (432, 41985), (486, 37320), (540, 33588), (622, 29160), (648, 27990), (720, 25191), (729, 24880), (810, 22392), (933, 19440), (972, 18660), (1080, 16794), (1215, 14928), (1244, 14580), (1296, 13995), (1458, 12440), (1555, 11664), (1620, 11196), (1866, 9720), (1944, 9330), (2160, 8397), (2430, 7464), (2488, 7290), (2799, 6480), (2916, 6220), (3110, 5832), (3240, 5598), (3645, 4976), (3732, 4860), (3888, 4665)]