255715920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{118387}}^1$

素因数の和:118409

約数の個数: 80

約数和(自身を含む): 880806720

約数和(自身を除く): 625090800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 118387, 236774, 355161, 473548, 591935, 710322, 947096, 1065483, 1183870, 1420644, 1775805, 1894192, 2130966, 2367740, 2841288, 3196449, 3551610, 4261932, 4735480, 5327415, 5682576, 6392898, 7103220, 8523864, 9470960, 10654830, 12785796, 14206440, 15982245, 17047728, 21309660, 25571592, 28412880, 31964490, 42619320, 51143184, 63928980, 85238640, 127857960, 255715920]

約数ペア:

[(1, 255715920), (2, 127857960), (3, 85238640), (4, 63928980), (5, 51143184), (6, 42619320), (8, 31964490), (9, 28412880), (10, 25571592), (12, 21309660), (15, 17047728), (16, 15982245), (18, 14206440), (20, 12785796), (24, 10654830), (27, 9470960), (30, 8523864), (36, 7103220), (40, 6392898), (45, 5682576), (48, 5327415), (54, 4735480), (60, 4261932), (72, 3551610), (80, 3196449), (90, 2841288), (108, 2367740), (120, 2130966), (135, 1894192), (144, 1775805), (180, 1420644), (216, 1183870), (240, 1065483), (270, 947096), (360, 710322), (432, 591935), (540, 473548), (720, 355161), (1080, 236774), (2160, 118387)]