248991120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:542

約数の個数: 240

約数和(自身を含む): 965652480

約数和(自身を除く): 716661360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 127, 140, 144, 168, 180, 210, 240, 252, 254, 280, 315, 336, 360, 381, 389, 420, 504, 508, 560, 630, 635, 720, 762, 778, 840, 889, 1008, 1016, 1143, 1167, 1260, 1270, 1524, 1556, 1680, 1778, 1905, 1945, 2032, 2286, 2334, 2520, 2540, 2667, 2723, 3048, 3112, 3501, 3556, 3810, 3890, 4445, 4572, 4668, 5040, 5080, 5334, 5446, 5715, 5835, 6096, 6224, 7002, 7112, 7620, 7780, 8001, 8169, 8890, 9144, 9336, 10160, 10668, 10892, 11430, 11670, 13335, 13615, 14004, 14224, 15240, 15560, 16002, 16338, 17505, 17780, 18288, 18672, 21336, 21784, 22860, 23340, 24507, 26670, 27230, 28008, 30480, 31120, 32004, 32676, 35010, 35560, 40005, 40845, 42672, 43568, 45720, 46680, 49014, 49403, 53340, 54460, 56016, 64008, 65352, 70020, 71120, 80010, 81690, 91440, 93360, 98028, 98806, 106680, 108920, 122535, 128016, 130704, 140040, 148209, 160020, 163380, 196056, 197612, 213360, 217840, 245070, 247015, 280080, 296418, 320040, 326760, 345821, 392112, 395224, 444627, 490140, 494030, 592836, 640080, 653520, 691642, 741045, 790448, 889254, 980280, 988060, 1037463, 1185672, 1383284, 1482090, 1729105, 1778508, 1960560, 1976120, 2074926, 2223135, 2371344, 2766568, 2964180, 3112389, 3458210, 3557016, 3952240, 4149852, 4446270, 5187315, 5533136, 5928360, 6224778, 6916420, 7114032, 8299704, 8892540, 10374630, 11856720, 12449556, 13832840, 15561945, 16599408, 17785080, 20749260, 24899112, 27665680, 31123890, 35570160, 41498520, 49798224, 62247780, 82997040, 124495560, 248991120]

約数ペア:

[(1, 248991120), (2, 124495560), (3, 82997040), (4, 62247780), (5, 49798224), (6, 41498520), (7, 35570160), (8, 31123890), (9, 27665680), (10, 24899112), (12, 20749260), (14, 17785080), (15, 16599408), (16, 15561945), (18, 13832840), (20, 12449556), (21, 11856720), (24, 10374630), (28, 8892540), (30, 8299704), (35, 7114032), (36, 6916420), (40, 6224778), (42, 5928360), (45, 5533136), (48, 5187315), (56, 4446270), (60, 4149852), (63, 3952240), (70, 3557016), (72, 3458210), (80, 3112389), (84, 2964180), (90, 2766568), (105, 2371344), (112, 2223135), (120, 2074926), (126, 1976120), (127, 1960560), (140, 1778508), (144, 1729105), (168, 1482090), (180, 1383284), (210, 1185672), (240, 1037463), (252, 988060), (254, 980280), (280, 889254), (315, 790448), (336, 741045), (360, 691642), (381, 653520), (389, 640080), (420, 592836), (504, 494030), (508, 490140), (560, 444627), (630, 395224), (635, 392112), (720, 345821), (762, 326760), (778, 320040), (840, 296418), (889, 280080), (1008, 247015), (1016, 245070), (1143, 217840), (1167, 213360), (1260, 197612), (1270, 196056), (1524, 163380), (1556, 160020), (1680, 148209), (1778, 140040), (1905, 130704), (1945, 128016), (2032, 122535), (2286, 108920), (2334, 106680), (2520, 98806), (2540, 98028), (2667, 93360), (2723, 91440), (3048, 81690), (3112, 80010), (3501, 71120), (3556, 70020), (3810, 65352), (3890, 64008), (4445, 56016), (4572, 54460), (4668, 53340), (5040, 49403), (5080, 49014), (5334, 46680), (5446, 45720), (5715, 43568), (5835, 42672), (6096, 40845), (6224, 40005), (7002, 35560), (7112, 35010), (7620, 32676), (7780, 32004), (8001, 31120), (8169, 30480), (8890, 28008), (9144, 27230), (9336, 26670), (10160, 24507), (10668, 23340), (10892, 22860), (11430, 21784), (11670, 21336), (13335, 18672), (13615, 18288), (14004, 17780), (14224, 17505), (15240, 16338), (15560, 16002)]