27780390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2551}}^1$

素因数の和:2586

約数の個数: 72

約数和(自身を含む): 79423344

約数和(自身を除く): 51642954

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 2551, 3630, 5102, 5445, 7653, 10890, 12755, 15306, 22959, 25510, 28061, 38265, 45918, 56122, 76530, 84183, 114795, 140305, 168366, 229590, 252549, 280610, 308671, 420915, 505098, 617342, 841830, 926013, 1262745, 1543355, 1852026, 2525490, 2778039, 3086710, 4630065, 5556078, 9260130, 13890195, 27780390]

約数ペア:

[(1, 27780390), (2, 13890195), (3, 9260130), (5, 5556078), (6, 4630065), (9, 3086710), (10, 2778039), (11, 2525490), (15, 1852026), (18, 1543355), (22, 1262745), (30, 926013), (33, 841830), (45, 617342), (55, 505098), (66, 420915), (90, 308671), (99, 280610), (110, 252549), (121, 229590), (165, 168366), (198, 140305), (242, 114795), (330, 84183), (363, 76530), (495, 56122), (605, 45918), (726, 38265), (990, 28061), (1089, 25510), (1210, 22959), (1815, 15306), (2178, 12755), (2551, 10890), (3630, 7653), (5102, 5445)]