128431140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2453

約数の個数: 96

約数和(自身を含む): 384168960

約数和(自身を除く): 255737820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 348, 372, 435, 465, 580, 620, 870, 899, 930, 1740, 1798, 1860, 2381, 2697, 3596, 4495, 4762, 5394, 7143, 8990, 9524, 10788, 11905, 13485, 14286, 17980, 23810, 26970, 28572, 35715, 47620, 53940, 69049, 71430, 73811, 138098, 142860, 147622, 207147, 221433, 276196, 295244, 345245, 369055, 414294, 442866, 690490, 738110, 828588, 885732, 1035735, 1107165, 1380980, 1476220, 2071470, 2140519, 2214330, 4142940, 4281038, 4428660, 6421557, 8562076, 10702595, 12843114, 21405190, 25686228, 32107785, 42810380, 64215570, 128431140]

約数ペア:

[(1, 128431140), (2, 64215570), (3, 42810380), (4, 32107785), (5, 25686228), (6, 21405190), (10, 12843114), (12, 10702595), (15, 8562076), (20, 6421557), (29, 4428660), (30, 4281038), (31, 4142940), (58, 2214330), (60, 2140519), (62, 2071470), (87, 1476220), (93, 1380980), (116, 1107165), (124, 1035735), (145, 885732), (155, 828588), (174, 738110), (186, 690490), (290, 442866), (310, 414294), (348, 369055), (372, 345245), (435, 295244), (465, 276196), (580, 221433), (620, 207147), (870, 147622), (899, 142860), (930, 138098), (1740, 73811), (1798, 71430), (1860, 69049), (2381, 53940), (2697, 47620), (3596, 35715), (4495, 28572), (4762, 26970), (5394, 23810), (7143, 17980), (8990, 14286), (9524, 13485), (10788, 11905)]