2077120920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{1999}}^1$

素因数の和:3257

約数の個数: 128

約数和(自身を含む): 7130880000

約数和(自身を除く): 5053759080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1237, 1999, 2474, 3711, 3998, 4948, 5997, 6185, 7422, 7996, 8659, 9896, 9995, 11994, 12370, 13993, 14844, 15992, 17318, 18555, 19990, 23988, 24740, 25977, 27986, 29688, 29985, 34636, 37110, 39980, 41979, 43295, 47976, 49480, 51954, 55972, 59970, 69272, 69965, 74220, 79960, 83958, 86590, 103908, 111944, 119940, 129885, 139930, 148440, 167916, 173180, 207816, 209895, 239880, 259770, 279860, 335832, 346360, 419790, 519540, 559720, 839580, 1039080, 1679160, 2472763, 4945526, 7418289, 9891052, 12363815, 14836578, 17309341, 19782104, 24727630, 29673156, 34618682, 37091445, 49455260, 51928023, 59346312, 69237364, 74182890, 86546705, 98910520, 103856046, 138474728, 148365780, 173093410, 207712092, 259640115, 296731560, 346186820, 415424184, 519280230, 692373640, 1038560460, 2077120920]

約数ペア:

[(1, 2077120920), (2, 1038560460), (3, 692373640), (4, 519280230), (5, 415424184), (6, 346186820), (7, 296731560), (8, 259640115), (10, 207712092), (12, 173093410), (14, 148365780), (15, 138474728), (20, 103856046), (21, 98910520), (24, 86546705), (28, 74182890), (30, 69237364), (35, 59346312), (40, 51928023), (42, 49455260), (56, 37091445), (60, 34618682), (70, 29673156), (84, 24727630), (105, 19782104), (120, 17309341), (140, 14836578), (168, 12363815), (210, 9891052), (280, 7418289), (420, 4945526), (840, 2472763), (1237, 1679160), (1999, 1039080), (2474, 839580), (3711, 559720), (3998, 519540), (4948, 419790), (5997, 346360), (6185, 335832), (7422, 279860), (7996, 259770), (8659, 239880), (9896, 209895), (9995, 207816), (11994, 173180), (12370, 167916), (13993, 148440), (14844, 139930), (15992, 129885), (17318, 119940), (18555, 111944), (19990, 103908), (23988, 86590), (24740, 83958), (25977, 79960), (27986, 74220), (29688, 69965), (29985, 69272), (34636, 59970), (37110, 55972), (39980, 51954), (41979, 49480), (43295, 47976)]