255519880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3607}}^1$

素因数の和:3659

約数の個数: 128

約数和(自身を含む): 748154880

約数和(自身を除く): 492635000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2530, 3080, 3220, 3542, 3607, 5060, 6440, 7084, 7214, 8855, 10120, 14168, 14428, 17710, 18035, 25249, 28856, 35420, 36070, 39677, 50498, 70840, 72140, 79354, 82961, 100996, 126245, 144280, 158708, 165922, 198385, 201992, 252490, 277739, 317416, 331844, 396770, 414805, 504980, 555478, 580727, 663688, 793540, 829610, 912571, 1009960, 1110956, 1161454, 1388695, 1587080, 1659220, 1825142, 2221912, 2322908, 2777390, 2903635, 3318440, 3650284, 4562855, 4645816, 5554780, 5807270, 6387997, 7300568, 9125710, 11109560, 11614540, 12775994, 18251420, 23229080, 25551988, 31939985, 36502840, 51103976, 63879970, 127759940, 255519880]

約数ペア:

[(1, 255519880), (2, 127759940), (4, 63879970), (5, 51103976), (7, 36502840), (8, 31939985), (10, 25551988), (11, 23229080), (14, 18251420), (20, 12775994), (22, 11614540), (23, 11109560), (28, 9125710), (35, 7300568), (40, 6387997), (44, 5807270), (46, 5554780), (55, 4645816), (56, 4562855), (70, 3650284), (77, 3318440), (88, 2903635), (92, 2777390), (110, 2322908), (115, 2221912), (140, 1825142), (154, 1659220), (161, 1587080), (184, 1388695), (220, 1161454), (230, 1110956), (253, 1009960), (280, 912571), (308, 829610), (322, 793540), (385, 663688), (440, 580727), (460, 555478), (506, 504980), (616, 414805), (644, 396770), (770, 331844), (805, 317416), (920, 277739), (1012, 252490), (1265, 201992), (1288, 198385), (1540, 165922), (1610, 158708), (1771, 144280), (2024, 126245), (2530, 100996), (3080, 82961), (3220, 79354), (3542, 72140), (3607, 70840), (5060, 50498), (6440, 39677), (7084, 36070), (7214, 35420), (8855, 28856), (10120, 25249), (14168, 18035), (14428, 17710)]