31718790

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 112

約数和(自身を含む): 90500400

約数和(自身を除く): 58781610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 229, 243, 270, 285, 342, 405, 458, 486, 513, 570, 687, 729, 810, 855, 1026, 1145, 1215, 1374, 1458, 1539, 1710, 2061, 2290, 2430, 2565, 3078, 3435, 3645, 4122, 4351, 4617, 5130, 6183, 6870, 7290, 7695, 8702, 9234, 10305, 12366, 13053, 13851, 15390, 18549, 20610, 21755, 23085, 26106, 27702, 30915, 37098, 39159, 43510, 46170, 55647, 61830, 65265, 69255, 78318, 92745, 111294, 117477, 130530, 138510, 166941, 185490, 195795, 234954, 278235, 333882, 352431, 391590, 556470, 587385, 704862, 834705, 1057293, 1174770, 1669410, 1762155, 2114586, 3171879, 3524310, 5286465, 6343758, 10572930, 15859395, 31718790]

約数ペア:

[(1, 31718790), (2, 15859395), (3, 10572930), (5, 6343758), (6, 5286465), (9, 3524310), (10, 3171879), (15, 2114586), (18, 1762155), (19, 1669410), (27, 1174770), (30, 1057293), (38, 834705), (45, 704862), (54, 587385), (57, 556470), (81, 391590), (90, 352431), (95, 333882), (114, 278235), (135, 234954), (162, 195795), (171, 185490), (190, 166941), (229, 138510), (243, 130530), (270, 117477), (285, 111294), (342, 92745), (405, 78318), (458, 69255), (486, 65265), (513, 61830), (570, 55647), (687, 46170), (729, 43510), (810, 39159), (855, 37098), (1026, 30915), (1145, 27702), (1215, 26106), (1374, 23085), (1458, 21755), (1539, 20610), (1710, 18549), (2061, 15390), (2290, 13851), (2430, 13053), (2565, 12366), (3078, 10305), (3435, 9234), (3645, 8702), (4122, 7695), (4351, 7290), (4617, 6870), (5130, 6183)]