17920440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{5531}}^1$

素因数の和:5554

約数の個数: 80

約数和(自身を含む): 60243480

約数和(自身を除く): 42323040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 5531, 11062, 16593, 22124, 27655, 33186, 44248, 49779, 55310, 66372, 82965, 99558, 110620, 132744, 149337, 165930, 199116, 221240, 248895, 298674, 331860, 398232, 448011, 497790, 597348, 663720, 746685, 896022, 995580, 1194696, 1493370, 1792044, 1991160, 2240055, 2986740, 3584088, 4480110, 5973480, 8960220, 17920440]

約数ペア:

[(1, 17920440), (2, 8960220), (3, 5973480), (4, 4480110), (5, 3584088), (6, 2986740), (8, 2240055), (9, 1991160), (10, 1792044), (12, 1493370), (15, 1194696), (18, 995580), (20, 896022), (24, 746685), (27, 663720), (30, 597348), (36, 497790), (40, 448011), (45, 398232), (54, 331860), (60, 298674), (72, 248895), (81, 221240), (90, 199116), (108, 165930), (120, 149337), (135, 132744), (162, 110620), (180, 99558), (216, 82965), (270, 66372), (324, 55310), (360, 49779), (405, 44248), (540, 33186), (648, 27655), (810, 22124), (1080, 16593), (1620, 11062), (3240, 5531)]