640151736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 1908264960

約数和(自身を除く): 1268113224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 101, 124, 168, 186, 202, 217, 248, 303, 372, 404, 434, 606, 651, 707, 744, 808, 868, 1212, 1217, 1302, 1414, 1736, 2121, 2424, 2434, 2604, 2828, 3131, 3651, 4242, 4868, 5208, 5656, 6262, 7302, 8484, 8519, 9393, 9736, 12524, 14604, 16968, 17038, 18786, 21917, 25048, 25557, 29208, 34076, 37572, 37727, 43834, 51114, 65751, 68152, 75144, 75454, 87668, 102228, 113181, 122917, 131502, 150908, 175336, 204456, 226362, 245834, 263004, 264089, 301816, 368751, 452724, 491668, 526008, 528178, 737502, 792267, 860419, 905448, 983336, 1056356, 1475004, 1584534, 1720838, 2112712, 2581257, 2950008, 3169068, 3441676, 3810427, 5162514, 6338136, 6883352, 7620854, 10325028, 11431281, 15241708, 20650056, 22862562, 26672989, 30483416, 45725124, 53345978, 80018967, 91450248, 106691956, 160037934, 213383912, 320075868, 640151736]

約数ペア:

[(1, 640151736), (2, 320075868), (3, 213383912), (4, 160037934), (6, 106691956), (7, 91450248), (8, 80018967), (12, 53345978), (14, 45725124), (21, 30483416), (24, 26672989), (28, 22862562), (31, 20650056), (42, 15241708), (56, 11431281), (62, 10325028), (84, 7620854), (93, 6883352), (101, 6338136), (124, 5162514), (168, 3810427), (186, 3441676), (202, 3169068), (217, 2950008), (248, 2581257), (303, 2112712), (372, 1720838), (404, 1584534), (434, 1475004), (606, 1056356), (651, 983336), (707, 905448), (744, 860419), (808, 792267), (868, 737502), (1212, 528178), (1217, 526008), (1302, 491668), (1414, 452724), (1736, 368751), (2121, 301816), (2424, 264089), (2434, 263004), (2604, 245834), (2828, 226362), (3131, 204456), (3651, 175336), (4242, 150908), (4868, 131502), (5208, 122917), (5656, 113181), (6262, 102228), (7302, 87668), (8484, 75454), (8519, 75144), (9393, 68152), (9736, 65751), (12524, 51114), (14604, 43834), (16968, 37727), (17038, 37572), (18786, 34076), (21917, 29208), (25048, 25557)]