80977320

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{2777}}^1$

素因数の和:2806

約数の個数: 112

約数和(自身を含む): 273271860

約数和(自身を除く): 192294540

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, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2777, 2916, 3240, 3645, 4860, 5554, 5832, 7290, 8331, 9720, 11108, 13885, 14580, 16662, 22216, 24993, 27770, 29160, 33324, 41655, 49986, 55540, 66648, 74979, 83310, 99972, 111080, 124965, 149958, 166620, 199944, 224937, 249930, 299916, 333240, 374895, 449874, 499860, 599832, 674811, 749790, 899748, 999720, 1124685, 1349622, 1499580, 1799496, 2024433, 2249370, 2699244, 2999160, 3374055, 4048866, 4498740, 5398488, 6748110, 8097732, 8997480, 10122165, 13496220, 16195464, 20244330, 26992440, 40488660, 80977320]

約数ペア:

[(1, 80977320), (2, 40488660), (3, 26992440), (4, 20244330), (5, 16195464), (6, 13496220), (8, 10122165), (9, 8997480), (10, 8097732), (12, 6748110), (15, 5398488), (18, 4498740), (20, 4048866), (24, 3374055), (27, 2999160), (30, 2699244), (36, 2249370), (40, 2024433), (45, 1799496), (54, 1499580), (60, 1349622), (72, 1124685), (81, 999720), (90, 899748), (108, 749790), (120, 674811), (135, 599832), (162, 499860), (180, 449874), (216, 374895), (243, 333240), (270, 299916), (324, 249930), (360, 224937), (405, 199944), (486, 166620), (540, 149958), (648, 124965), (729, 111080), (810, 99972), (972, 83310), (1080, 74979), (1215, 66648), (1458, 55540), (1620, 49986), (1944, 41655), (2430, 33324), (2777, 29160), (2916, 27770), (3240, 24993), (3645, 22216), (4860, 16662), (5554, 14580), (5832, 13885), (7290, 11108), (8331, 9720)]