320237640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8161}}^1$

素因数の和:8287

約数の個数: 96

約数和(自身を含む): 1050449400

約数和(自身を除く): 730211760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 545, 654, 872, 981, 1090, 1308, 1635, 1962, 2180, 2616, 3270, 3924, 4360, 4905, 6540, 7848, 8161, 9810, 13080, 16322, 19620, 24483, 32644, 39240, 40805, 48966, 65288, 73449, 81610, 97932, 122415, 146898, 163220, 195864, 244830, 293796, 326440, 367245, 489660, 587592, 734490, 889549, 979320, 1468980, 1779098, 2668647, 2937960, 3558196, 4447745, 5337294, 7116392, 8005941, 8895490, 10674588, 13343235, 16011882, 17790980, 21349176, 26686470, 32023764, 35581960, 40029705, 53372940, 64047528, 80059410, 106745880, 160118820, 320237640]

約数ペア:

[(1, 320237640), (2, 160118820), (3, 106745880), (4, 80059410), (5, 64047528), (6, 53372940), (8, 40029705), (9, 35581960), (10, 32023764), (12, 26686470), (15, 21349176), (18, 17790980), (20, 16011882), (24, 13343235), (30, 10674588), (36, 8895490), (40, 8005941), (45, 7116392), (60, 5337294), (72, 4447745), (90, 3558196), (109, 2937960), (120, 2668647), (180, 1779098), (218, 1468980), (327, 979320), (360, 889549), (436, 734490), (545, 587592), (654, 489660), (872, 367245), (981, 326440), (1090, 293796), (1308, 244830), (1635, 195864), (1962, 163220), (2180, 146898), (2616, 122415), (3270, 97932), (3924, 81610), (4360, 73449), (4905, 65288), (6540, 48966), (7848, 40805), (8161, 39240), (9810, 32644), (13080, 24483), (16322, 19620)]