279799920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 240

約数和(自身を含む): 1003373280

約数和(自身を除く): 723573360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 243, 270, 296, 324, 333, 360, 370, 389, 405, 432, 444, 486, 540, 555, 592, 648, 666, 720, 740, 778, 810, 888, 972, 999, 1080, 1110, 1167, 1215, 1296, 1332, 1480, 1556, 1620, 1665, 1776, 1944, 1945, 1998, 2160, 2220, 2334, 2430, 2664, 2960, 2997, 3112, 3240, 3330, 3501, 3888, 3890, 3996, 4440, 4668, 4860, 4995, 5328, 5835, 5994, 6224, 6480, 6660, 7002, 7780, 7992, 8880, 8991, 9336, 9720, 9990, 10503, 11670, 11988, 13320, 14004, 14393, 14985, 15560, 15984, 17505, 17982, 18672, 19440, 19980, 21006, 23340, 23976, 26640, 28008, 28786, 29970, 31120, 31509, 35010, 35964, 39960, 42012, 43179, 44955, 46680, 47952, 52515, 56016, 57572, 59940, 63018, 70020, 71928, 71965, 79920, 84024, 86358, 89910, 93360, 94527, 105030, 115144, 119880, 126036, 129537, 140040, 143856, 143930, 157545, 168048, 172716, 179820, 189054, 210060, 215895, 230288, 239760, 252072, 259074, 280080, 287860, 315090, 345432, 359640, 378108, 388611, 420120, 431790, 472635, 504144, 518148, 575720, 630180, 647685, 690864, 719280, 756216, 777222, 840240, 863580, 945270, 1036296, 1151440, 1165833, 1260360, 1295370, 1512432, 1554444, 1727160, 1890540, 1943055, 2072592, 2331666, 2520720, 2590740, 3108888, 3454320, 3497499, 3781080, 3886110, 4663332, 5181480, 5829165, 6217776, 6994998, 7562160, 7772220, 9326664, 10362960, 11658330, 13989996, 15544440, 17487495, 18653328, 23316660, 27979992, 31088880, 34974990, 46633320, 55959984, 69949980, 93266640, 139899960, 279799920]

約数ペア:

[(1, 279799920), (2, 139899960), (3, 93266640), (4, 69949980), (5, 55959984), (6, 46633320), (8, 34974990), (9, 31088880), (10, 27979992), (12, 23316660), (15, 18653328), (16, 17487495), (18, 15544440), (20, 13989996), (24, 11658330), (27, 10362960), (30, 9326664), (36, 7772220), (37, 7562160), (40, 6994998), (45, 6217776), (48, 5829165), (54, 5181480), (60, 4663332), (72, 3886110), (74, 3781080), (80, 3497499), (81, 3454320), (90, 3108888), (108, 2590740), (111, 2520720), (120, 2331666), (135, 2072592), (144, 1943055), (148, 1890540), (162, 1727160), (180, 1554444), (185, 1512432), (216, 1295370), (222, 1260360), (240, 1165833), (243, 1151440), (270, 1036296), (296, 945270), (324, 863580), (333, 840240), (360, 777222), (370, 756216), (389, 719280), (405, 690864), (432, 647685), (444, 630180), (486, 575720), (540, 518148), (555, 504144), (592, 472635), (648, 431790), (666, 420120), (720, 388611), (740, 378108), (778, 359640), (810, 345432), (888, 315090), (972, 287860), (999, 280080), (1080, 259074), (1110, 252072), (1167, 239760), (1215, 230288), (1296, 215895), (1332, 210060), (1480, 189054), (1556, 179820), (1620, 172716), (1665, 168048), (1776, 157545), (1944, 143930), (1945, 143856), (1998, 140040), (2160, 129537), (2220, 126036), (2334, 119880), (2430, 115144), (2664, 105030), (2960, 94527), (2997, 93360), (3112, 89910), (3240, 86358), (3330, 84024), (3501, 79920), (3888, 71965), (3890, 71928), (3996, 70020), (4440, 63018), (4668, 59940), (4860, 57572), (4995, 56016), (5328, 52515), (5835, 47952), (5994, 46680), (6224, 44955), (6480, 43179), (6660, 42012), (7002, 39960), (7780, 35964), (7992, 35010), (8880, 31509), (8991, 31120), (9336, 29970), (9720, 28786), (9990, 28008), (10503, 26640), (11670, 23976), (11988, 23340), (13320, 21006), (14004, 19980), (14393, 19440), (14985, 18672), (15560, 17982), (15984, 17505)]