27979020

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 168

約数和(自身を含む): 93648240

約数和(自身を除く): 65669220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 101, 108, 114, 135, 162, 171, 180, 190, 202, 228, 243, 270, 285, 303, 324, 342, 380, 404, 405, 486, 505, 513, 540, 570, 606, 684, 729, 810, 855, 909, 972, 1010, 1026, 1140, 1212, 1215, 1458, 1515, 1539, 1620, 1710, 1818, 1919, 2020, 2052, 2430, 2565, 2727, 2916, 3030, 3078, 3420, 3636, 3645, 3838, 4545, 4617, 4860, 5130, 5454, 5757, 6060, 6156, 7290, 7676, 7695, 8181, 9090, 9234, 9595, 10260, 10908, 11514, 13635, 13851, 14580, 15390, 16362, 17271, 18180, 18468, 19190, 23028, 23085, 24543, 27270, 27702, 28785, 30780, 32724, 34542, 38380, 40905, 46170, 49086, 51813, 54540, 55404, 57570, 69084, 69255, 73629, 81810, 86355, 92340, 98172, 103626, 115140, 122715, 138510, 147258, 155439, 163620, 172710, 207252, 245430, 259065, 277020, 294516, 310878, 345420, 368145, 466317, 490860, 518130, 621756, 736290, 777195, 932634, 1036260, 1398951, 1472580, 1554390, 1865268, 2331585, 2797902, 3108780, 4663170, 5595804, 6994755, 9326340, 13989510, 27979020]

約数ペア:

[(1, 27979020), (2, 13989510), (3, 9326340), (4, 6994755), (5, 5595804), (6, 4663170), (9, 3108780), (10, 2797902), (12, 2331585), (15, 1865268), (18, 1554390), (19, 1472580), (20, 1398951), (27, 1036260), (30, 932634), (36, 777195), (38, 736290), (45, 621756), (54, 518130), (57, 490860), (60, 466317), (76, 368145), (81, 345420), (90, 310878), (95, 294516), (101, 277020), (108, 259065), (114, 245430), (135, 207252), (162, 172710), (171, 163620), (180, 155439), (190, 147258), (202, 138510), (228, 122715), (243, 115140), (270, 103626), (285, 98172), (303, 92340), (324, 86355), (342, 81810), (380, 73629), (404, 69255), (405, 69084), (486, 57570), (505, 55404), (513, 54540), (540, 51813), (570, 49086), (606, 46170), (684, 40905), (729, 38380), (810, 34542), (855, 32724), (909, 30780), (972, 28785), (1010, 27702), (1026, 27270), (1140, 24543), (1212, 23085), (1215, 23028), (1458, 19190), (1515, 18468), (1539, 18180), (1620, 17271), (1710, 16362), (1818, 15390), (1919, 14580), (2020, 13851), (2052, 13635), (2430, 11514), (2565, 10908), (2727, 10260), (2916, 9595), (3030, 9234), (3078, 9090), (3420, 8181), (3636, 7695), (3645, 7676), (3838, 7290), (4545, 6156), (4617, 6060), (4860, 5757), (5130, 5454)]