280920240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:484

約数の個数: 240

約数和(自身を含む): 1018461600

約数和(自身を除く): 737541360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 59, 60, 68, 72, 80, 85, 90, 102, 118, 120, 136, 144, 153, 170, 177, 180, 204, 236, 240, 255, 272, 295, 306, 340, 354, 360, 389, 408, 472, 510, 531, 590, 612, 680, 708, 720, 765, 778, 816, 885, 944, 1003, 1020, 1062, 1167, 1180, 1224, 1360, 1416, 1530, 1556, 1770, 1945, 2006, 2040, 2124, 2334, 2360, 2448, 2655, 2832, 3009, 3060, 3112, 3501, 3540, 3890, 4012, 4080, 4248, 4668, 4720, 5015, 5310, 5835, 6018, 6120, 6224, 6613, 7002, 7080, 7780, 8024, 8496, 9027, 9336, 10030, 10620, 11670, 12036, 12240, 13226, 14004, 14160, 15045, 15560, 16048, 17505, 18054, 18672, 19839, 20060, 21240, 22951, 23340, 24072, 26452, 28008, 30090, 31120, 33065, 35010, 36108, 39678, 40120, 42480, 45135, 45902, 46680, 48144, 52904, 56016, 59517, 60180, 66130, 68853, 70020, 72216, 79356, 80240, 90270, 91804, 93360, 99195, 105808, 114755, 119034, 120360, 132260, 137706, 140040, 144432, 158712, 180540, 183608, 198390, 206559, 229510, 238068, 240720, 264520, 275412, 280080, 297585, 317424, 344265, 361080, 367216, 390167, 396780, 413118, 459020, 476136, 529040, 550824, 595170, 688530, 722160, 780334, 793560, 826236, 918040, 952272, 1032795, 1101648, 1170501, 1190340, 1377060, 1560668, 1587120, 1652472, 1836080, 1950835, 2065590, 2341002, 2380680, 2754120, 3121336, 3304944, 3511503, 3901670, 4131180, 4682004, 4761360, 5508240, 5852505, 6242672, 7023006, 7803340, 8262360, 9364008, 11705010, 14046012, 15606680, 16524720, 17557515, 18728016, 23410020, 28092024, 31213360, 35115030, 46820040, 56184048, 70230060, 93640080, 140460120, 280920240]

約数ペア:

[(1, 280920240), (2, 140460120), (3, 93640080), (4, 70230060), (5, 56184048), (6, 46820040), (8, 35115030), (9, 31213360), (10, 28092024), (12, 23410020), (15, 18728016), (16, 17557515), (17, 16524720), (18, 15606680), (20, 14046012), (24, 11705010), (30, 9364008), (34, 8262360), (36, 7803340), (40, 7023006), (45, 6242672), (48, 5852505), (51, 5508240), (59, 4761360), (60, 4682004), (68, 4131180), (72, 3901670), (80, 3511503), (85, 3304944), (90, 3121336), (102, 2754120), (118, 2380680), (120, 2341002), (136, 2065590), (144, 1950835), (153, 1836080), (170, 1652472), (177, 1587120), (180, 1560668), (204, 1377060), (236, 1190340), (240, 1170501), (255, 1101648), (272, 1032795), (295, 952272), (306, 918040), (340, 826236), (354, 793560), (360, 780334), (389, 722160), (408, 688530), (472, 595170), (510, 550824), (531, 529040), (590, 476136), (612, 459020), (680, 413118), (708, 396780), (720, 390167), (765, 367216), (778, 361080), (816, 344265), (885, 317424), (944, 297585), (1003, 280080), (1020, 275412), (1062, 264520), (1167, 240720), (1180, 238068), (1224, 229510), (1360, 206559), (1416, 198390), (1530, 183608), (1556, 180540), (1770, 158712), (1945, 144432), (2006, 140040), (2040, 137706), (2124, 132260), (2334, 120360), (2360, 119034), (2448, 114755), (2655, 105808), (2832, 99195), (3009, 93360), (3060, 91804), (3112, 90270), (3501, 80240), (3540, 79356), (3890, 72216), (4012, 70020), (4080, 68853), (4248, 66130), (4668, 60180), (4720, 59517), (5015, 56016), (5310, 52904), (5835, 48144), (6018, 46680), (6120, 45902), (6224, 45135), (6613, 42480), (7002, 40120), (7080, 39678), (7780, 36108), (8024, 35010), (8496, 33065), (9027, 31120), (9336, 30090), (10030, 28008), (10620, 26452), (11670, 24072), (12036, 23340), (12240, 22951), (13226, 21240), (14004, 20060), (14160, 19839), (15045, 18672), (15560, 18054), (16048, 17505)]