278241660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 881375040

約数和(自身を除く): 603133380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 151, 174, 180, 261, 290, 302, 348, 353, 435, 453, 522, 580, 604, 706, 755, 870, 906, 1044, 1059, 1305, 1359, 1412, 1510, 1740, 1765, 1812, 2118, 2265, 2610, 2718, 3020, 3177, 3530, 4236, 4379, 4530, 5220, 5295, 5436, 6354, 6795, 7060, 8758, 9060, 10237, 10590, 12708, 13137, 13590, 15885, 17516, 20474, 21180, 21895, 26274, 27180, 30711, 31770, 39411, 40948, 43790, 51185, 52548, 53303, 61422, 63540, 65685, 78822, 87580, 92133, 102370, 106606, 122844, 131370, 153555, 157644, 159909, 184266, 197055, 204740, 213212, 262740, 266515, 307110, 319818, 368532, 394110, 460665, 479727, 533030, 614220, 639636, 788220, 799545, 921330, 959454, 1066060, 1545787, 1599090, 1842660, 1918908, 2398635, 3091574, 3198180, 4637361, 4797270, 6183148, 7728935, 9274722, 9594540, 13912083, 15457870, 18549444, 23186805, 27824166, 30915740, 46373610, 55648332, 69560415, 92747220, 139120830, 278241660]

約数ペア:

[(1, 278241660), (2, 139120830), (3, 92747220), (4, 69560415), (5, 55648332), (6, 46373610), (9, 30915740), (10, 27824166), (12, 23186805), (15, 18549444), (18, 15457870), (20, 13912083), (29, 9594540), (30, 9274722), (36, 7728935), (45, 6183148), (58, 4797270), (60, 4637361), (87, 3198180), (90, 3091574), (116, 2398635), (145, 1918908), (151, 1842660), (174, 1599090), (180, 1545787), (261, 1066060), (290, 959454), (302, 921330), (348, 799545), (353, 788220), (435, 639636), (453, 614220), (522, 533030), (580, 479727), (604, 460665), (706, 394110), (755, 368532), (870, 319818), (906, 307110), (1044, 266515), (1059, 262740), (1305, 213212), (1359, 204740), (1412, 197055), (1510, 184266), (1740, 159909), (1765, 157644), (1812, 153555), (2118, 131370), (2265, 122844), (2610, 106606), (2718, 102370), (3020, 92133), (3177, 87580), (3530, 78822), (4236, 65685), (4379, 63540), (4530, 61422), (5220, 53303), (5295, 52548), (5436, 51185), (6354, 43790), (6795, 40948), (7060, 39411), (8758, 31770), (9060, 30711), (10237, 27180), (10590, 26274), (12708, 21895), (13137, 21180), (13590, 20474), (15885, 17516)]