18215280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{937}}^1$

素因数の和:965

約数の個数: 120

約数和(自身を含む): 63506352

約数和(自身を除く): 45291072

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, 324, 360, 405, 432, 486, 540, 648, 720, 810, 937, 972, 1080, 1215, 1296, 1620, 1874, 1944, 2160, 2430, 2811, 3240, 3748, 3888, 4685, 4860, 5622, 6480, 7496, 8433, 9370, 9720, 11244, 14055, 14992, 16866, 18740, 19440, 22488, 25299, 28110, 33732, 37480, 42165, 44976, 50598, 56220, 67464, 74960, 75897, 84330, 101196, 112440, 126495, 134928, 151794, 168660, 202392, 224880, 227691, 252990, 303588, 337320, 379485, 404784, 455382, 505980, 607176, 674640, 758970, 910764, 1011960, 1138455, 1214352, 1517940, 1821528, 2023920, 2276910, 3035880, 3643056, 4553820, 6071760, 9107640, 18215280]

約数ペア:

[(1, 18215280), (2, 9107640), (3, 6071760), (4, 4553820), (5, 3643056), (6, 3035880), (8, 2276910), (9, 2023920), (10, 1821528), (12, 1517940), (15, 1214352), (16, 1138455), (18, 1011960), (20, 910764), (24, 758970), (27, 674640), (30, 607176), (36, 505980), (40, 455382), (45, 404784), (48, 379485), (54, 337320), (60, 303588), (72, 252990), (80, 227691), (81, 224880), (90, 202392), (108, 168660), (120, 151794), (135, 134928), (144, 126495), (162, 112440), (180, 101196), (216, 84330), (240, 75897), (243, 74960), (270, 67464), (324, 56220), (360, 50598), (405, 44976), (432, 42165), (486, 37480), (540, 33732), (648, 28110), (720, 25299), (810, 22488), (937, 19440), (972, 18740), (1080, 16866), (1215, 14992), (1296, 14055), (1620, 11244), (1874, 9720), (1944, 9370), (2160, 8433), (2430, 7496), (2811, 6480), (3240, 5622), (3748, 4860), (3888, 4685)]