27910620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8161}}^1$

素因数の和:8195

約数の個数: 72

約数和(自身を含む): 89129040

約数和(自身を除く): 61218420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8161, 16322, 24483, 32644, 40805, 48966, 73449, 81610, 97932, 122415, 146898, 155059, 163220, 244830, 293796, 310118, 367245, 465177, 489660, 620236, 734490, 775295, 930354, 1395531, 1468980, 1550590, 1860708, 2325885, 2791062, 3101180, 4651770, 5582124, 6977655, 9303540, 13955310, 27910620]

約数ペア:

[(1, 27910620), (2, 13955310), (3, 9303540), (4, 6977655), (5, 5582124), (6, 4651770), (9, 3101180), (10, 2791062), (12, 2325885), (15, 1860708), (18, 1550590), (19, 1468980), (20, 1395531), (30, 930354), (36, 775295), (38, 734490), (45, 620236), (57, 489660), (60, 465177), (76, 367245), (90, 310118), (95, 293796), (114, 244830), (171, 163220), (180, 155059), (190, 146898), (228, 122415), (285, 97932), (342, 81610), (380, 73449), (570, 48966), (684, 40805), (855, 32644), (1140, 24483), (1710, 16322), (3420, 8161)]