55776780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 182407680

約数和(自身を除く): 126630900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 347, 380, 423, 470, 564, 570, 684, 694, 705, 846, 855, 893, 940, 1041, 1140, 1388, 1410, 1692, 1710, 1735, 1786, 2082, 2115, 2679, 2820, 3123, 3420, 3470, 3572, 4164, 4230, 4465, 5205, 5358, 6246, 6593, 6940, 8037, 8460, 8930, 10410, 10716, 12492, 13186, 13395, 15615, 16074, 16309, 17860, 19779, 20820, 26372, 26790, 31230, 32148, 32618, 32965, 39558, 40185, 48927, 53580, 59337, 62460, 65236, 65930, 79116, 80370, 81545, 97854, 98895, 118674, 131860, 146781, 160740, 163090, 195708, 197790, 237348, 244635, 293562, 296685, 309871, 326180, 395580, 489270, 587124, 593370, 619742, 733905, 929613, 978540, 1186740, 1239484, 1467810, 1549355, 1859226, 2788839, 2935620, 3098710, 3718452, 4648065, 5577678, 6197420, 9296130, 11155356, 13944195, 18592260, 27888390, 55776780]

約数ペア:

[(1, 55776780), (2, 27888390), (3, 18592260), (4, 13944195), (5, 11155356), (6, 9296130), (9, 6197420), (10, 5577678), (12, 4648065), (15, 3718452), (18, 3098710), (19, 2935620), (20, 2788839), (30, 1859226), (36, 1549355), (38, 1467810), (45, 1239484), (47, 1186740), (57, 978540), (60, 929613), (76, 733905), (90, 619742), (94, 593370), (95, 587124), (114, 489270), (141, 395580), (171, 326180), (180, 309871), (188, 296685), (190, 293562), (228, 244635), (235, 237348), (282, 197790), (285, 195708), (342, 163090), (347, 160740), (380, 146781), (423, 131860), (470, 118674), (564, 98895), (570, 97854), (684, 81545), (694, 80370), (705, 79116), (846, 65930), (855, 65236), (893, 62460), (940, 59337), (1041, 53580), (1140, 48927), (1388, 40185), (1410, 39558), (1692, 32965), (1710, 32618), (1735, 32148), (1786, 31230), (2082, 26790), (2115, 26372), (2679, 20820), (2820, 19779), (3123, 17860), (3420, 16309), (3470, 16074), (3572, 15615), (4164, 13395), (4230, 13186), (4465, 12492), (5205, 10716), (5358, 10410), (6246, 8930), (6593, 8460), (6940, 8037)]