51384780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 164804640

約数和(自身を除く): 113419860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 109, 135, 162, 180, 194, 218, 243, 270, 291, 324, 327, 388, 405, 436, 485, 486, 540, 545, 582, 654, 810, 873, 970, 972, 981, 1090, 1164, 1215, 1308, 1455, 1620, 1635, 1746, 1940, 1962, 2180, 2430, 2619, 2910, 2943, 3270, 3492, 3924, 4365, 4860, 4905, 5238, 5820, 5886, 6540, 7857, 8730, 8829, 9810, 10476, 10573, 11772, 13095, 14715, 15714, 17460, 17658, 19620, 21146, 23571, 26190, 26487, 29430, 31428, 31719, 35316, 39285, 42292, 44145, 47142, 52380, 52865, 52974, 58860, 63438, 78570, 88290, 94284, 95157, 105730, 105948, 117855, 126876, 132435, 157140, 158595, 176580, 190314, 211460, 235710, 264870, 285471, 317190, 380628, 471420, 475785, 529740, 570942, 634380, 856413, 951570, 1141884, 1427355, 1712826, 1903140, 2569239, 2854710, 3425652, 4282065, 5138478, 5709420, 8564130, 10276956, 12846195, 17128260, 25692390, 51384780]

約数ペア:

[(1, 51384780), (2, 25692390), (3, 17128260), (4, 12846195), (5, 10276956), (6, 8564130), (9, 5709420), (10, 5138478), (12, 4282065), (15, 3425652), (18, 2854710), (20, 2569239), (27, 1903140), (30, 1712826), (36, 1427355), (45, 1141884), (54, 951570), (60, 856413), (81, 634380), (90, 570942), (97, 529740), (108, 475785), (109, 471420), (135, 380628), (162, 317190), (180, 285471), (194, 264870), (218, 235710), (243, 211460), (270, 190314), (291, 176580), (324, 158595), (327, 157140), (388, 132435), (405, 126876), (436, 117855), (485, 105948), (486, 105730), (540, 95157), (545, 94284), (582, 88290), (654, 78570), (810, 63438), (873, 58860), (970, 52974), (972, 52865), (981, 52380), (1090, 47142), (1164, 44145), (1215, 42292), (1308, 39285), (1455, 35316), (1620, 31719), (1635, 31428), (1746, 29430), (1940, 26487), (1962, 26190), (2180, 23571), (2430, 21146), (2619, 19620), (2910, 17658), (2943, 17460), (3270, 15714), (3492, 14715), (3924, 13095), (4365, 11772), (4860, 10573), (4905, 10476), (5238, 9810), (5820, 8829), (5886, 8730), (6540, 7857)]