18170820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 58001580

約数和(自身を除く): 39830760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 87, 90, 116, 118, 145, 174, 177, 180, 236, 261, 290, 295, 348, 354, 435, 522, 531, 580, 590, 708, 870, 885, 1044, 1062, 1180, 1305, 1711, 1740, 1770, 2124, 2610, 2655, 3422, 3481, 3540, 5133, 5220, 5310, 6844, 6962, 8555, 10266, 10443, 10620, 13924, 15399, 17110, 17405, 20532, 20886, 25665, 30798, 31329, 34220, 34810, 41772, 51330, 52215, 61596, 62658, 69620, 76995, 100949, 102660, 104430, 125316, 153990, 156645, 201898, 208860, 302847, 307980, 313290, 403796, 504745, 605694, 626580, 908541, 1009490, 1211388, 1514235, 1817082, 2018980, 3028470, 3634164, 4542705, 6056940, 9085410, 18170820]

約数ペア:

[(1, 18170820), (2, 9085410), (3, 6056940), (4, 4542705), (5, 3634164), (6, 3028470), (9, 2018980), (10, 1817082), (12, 1514235), (15, 1211388), (18, 1009490), (20, 908541), (29, 626580), (30, 605694), (36, 504745), (45, 403796), (58, 313290), (59, 307980), (60, 302847), (87, 208860), (90, 201898), (116, 156645), (118, 153990), (145, 125316), (174, 104430), (177, 102660), (180, 100949), (236, 76995), (261, 69620), (290, 62658), (295, 61596), (348, 52215), (354, 51330), (435, 41772), (522, 34810), (531, 34220), (580, 31329), (590, 30798), (708, 25665), (870, 20886), (885, 20532), (1044, 17405), (1062, 17110), (1180, 15399), (1305, 13924), (1711, 10620), (1740, 10443), (1770, 10266), (2124, 8555), (2610, 6962), (2655, 6844), (3422, 5310), (3481, 5220), (3540, 5133)]