201640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 620421120

約数和(自身を除く): 418780680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 127, 131, 202, 254, 262, 303, 381, 393, 404, 505, 508, 524, 606, 635, 655, 762, 786, 808, 1010, 1016, 1048, 1212, 1270, 1310, 1515, 1524, 1572, 1905, 1965, 2020, 2424, 2540, 2620, 3030, 3048, 3144, 3810, 3930, 4040, 5080, 5240, 6060, 7620, 7860, 12120, 12827, 13231, 15240, 15720, 16637, 25654, 26462, 33274, 38481, 39693, 49911, 51308, 52924, 64135, 66155, 66548, 76962, 79386, 83185, 99822, 102616, 105848, 128270, 132310, 133096, 153924, 158772, 166370, 192405, 198465, 199644, 249555, 256540, 264620, 307848, 317544, 332740, 384810, 396930, 399288, 499110, 513080, 529240, 665480, 769620, 793860, 998220, 1539240, 1587720, 1680337, 1996440, 3360674, 5041011, 6721348, 8401685, 10082022, 13442696, 16803370, 20164044, 25205055, 33606740, 40328088, 50410110, 67213480, 100820220, 201640440]

約数ペア:

[(1, 201640440), (2, 100820220), (3, 67213480), (4, 50410110), (5, 40328088), (6, 33606740), (8, 25205055), (10, 20164044), (12, 16803370), (15, 13442696), (20, 10082022), (24, 8401685), (30, 6721348), (40, 5041011), (60, 3360674), (101, 1996440), (120, 1680337), (127, 1587720), (131, 1539240), (202, 998220), (254, 793860), (262, 769620), (303, 665480), (381, 529240), (393, 513080), (404, 499110), (505, 399288), (508, 396930), (524, 384810), (606, 332740), (635, 317544), (655, 307848), (762, 264620), (786, 256540), (808, 249555), (1010, 199644), (1016, 198465), (1048, 192405), (1212, 166370), (1270, 158772), (1310, 153924), (1515, 133096), (1524, 132310), (1572, 128270), (1905, 105848), (1965, 102616), (2020, 99822), (2424, 83185), (2540, 79386), (2620, 76962), (3030, 66548), (3048, 66155), (3144, 64135), (3810, 52924), (3930, 51308), (4040, 49911), (5080, 39693), (5240, 38481), (6060, 33274), (7620, 26462), (7860, 25654), (12120, 16637), (12827, 15720), (13231, 15240)]