1688116640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1319

約数の個数: 144

約数和(自身を含む): 4667122152

約数和(自身を除く): 2979005512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 197, 224, 245, 280, 392, 394, 490, 560, 784, 788, 980, 985, 1093, 1120, 1379, 1568, 1576, 1960, 1970, 2186, 2758, 3152, 3920, 3940, 4372, 5465, 5516, 6304, 6895, 7651, 7840, 7880, 8744, 9653, 10930, 11032, 13790, 15302, 15760, 17488, 19306, 21860, 22064, 27580, 30604, 31520, 34976, 38255, 38612, 43720, 44128, 48265, 53557, 55160, 61208, 76510, 77224, 87440, 96530, 107114, 110320, 122416, 153020, 154448, 174880, 193060, 214228, 215321, 220640, 244832, 267785, 306040, 308896, 386120, 428456, 430642, 535570, 612080, 772240, 856912, 861284, 1071140, 1076605, 1224160, 1507247, 1544480, 1713824, 1722568, 2142280, 2153210, 3014494, 3445136, 4284560, 4306420, 6028988, 6890272, 7536235, 8569120, 8612840, 10550729, 12057976, 15072470, 17225680, 21101458, 24115952, 30144940, 34451360, 42202916, 48231904, 52753645, 60289880, 84405832, 105507290, 120579760, 168811664, 211014580, 241159520, 337623328, 422029160, 844058320, 1688116640]

約数ペア:

[(1, 1688116640), (2, 844058320), (4, 422029160), (5, 337623328), (7, 241159520), (8, 211014580), (10, 168811664), (14, 120579760), (16, 105507290), (20, 84405832), (28, 60289880), (32, 52753645), (35, 48231904), (40, 42202916), (49, 34451360), (56, 30144940), (70, 24115952), (80, 21101458), (98, 17225680), (112, 15072470), (140, 12057976), (160, 10550729), (196, 8612840), (197, 8569120), (224, 7536235), (245, 6890272), (280, 6028988), (392, 4306420), (394, 4284560), (490, 3445136), (560, 3014494), (784, 2153210), (788, 2142280), (980, 1722568), (985, 1713824), (1093, 1544480), (1120, 1507247), (1379, 1224160), (1568, 1076605), (1576, 1071140), (1960, 861284), (1970, 856912), (2186, 772240), (2758, 612080), (3152, 535570), (3920, 430642), (3940, 428456), (4372, 386120), (5465, 308896), (5516, 306040), (6304, 267785), (6895, 244832), (7651, 220640), (7840, 215321), (7880, 214228), (8744, 193060), (9653, 174880), (10930, 154448), (11032, 153020), (13790, 122416), (15302, 110320), (15760, 107114), (17488, 96530), (19306, 87440), (21860, 77224), (22064, 76510), (27580, 61208), (30604, 55160), (31520, 53557), (34976, 48265), (38255, 44128), (38612, 43720)]