278490240

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{6907}}^1$

素因数の和:6939

約数の個数: 192

約数和(自身を含む): 1099200960

約数和(自身を除く): 820710720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 6907, 8064, 10080, 13440, 13814, 20160, 20721, 27628, 34535, 40320, 41442, 48349, 55256, 62163, 69070, 82884, 96698, 103605, 110512, 124326, 138140, 145047, 165768, 193396, 207210, 221024, 241745, 248652, 276280, 290094, 310815, 331536, 386792, 414420, 435141, 442048, 483490, 497304, 552560, 580188, 621630, 663072, 725235, 773584, 828840, 870282, 884096, 966980, 994608, 1105120, 1160376, 1243260, 1326144, 1450470, 1547168, 1657680, 1740564, 1933960, 1989216, 2175705, 2210240, 2320752, 2486520, 2652288, 2900940, 3094336, 3315360, 3481128, 3867920, 3978432, 4351410, 4420480, 4641504, 4973040, 5801880, 6188672, 6630720, 6962256, 7735840, 7956864, 8702820, 9283008, 9946080, 11603760, 13261440, 13924512, 15471680, 17405640, 18566016, 19892160, 23207520, 27849024, 30943360, 34811280, 39784320, 46415040, 55698048, 69622560, 92830080, 139245120, 278490240]

約数ペア:

[(1, 278490240), (2, 139245120), (3, 92830080), (4, 69622560), (5, 55698048), (6, 46415040), (7, 39784320), (8, 34811280), (9, 30943360), (10, 27849024), (12, 23207520), (14, 19892160), (15, 18566016), (16, 17405640), (18, 15471680), (20, 13924512), (21, 13261440), (24, 11603760), (28, 9946080), (30, 9283008), (32, 8702820), (35, 7956864), (36, 7735840), (40, 6962256), (42, 6630720), (45, 6188672), (48, 5801880), (56, 4973040), (60, 4641504), (63, 4420480), (64, 4351410), (70, 3978432), (72, 3867920), (80, 3481128), (84, 3315360), (90, 3094336), (96, 2900940), (105, 2652288), (112, 2486520), (120, 2320752), (126, 2210240), (128, 2175705), (140, 1989216), (144, 1933960), (160, 1740564), (168, 1657680), (180, 1547168), (192, 1450470), (210, 1326144), (224, 1243260), (240, 1160376), (252, 1105120), (280, 994608), (288, 966980), (315, 884096), (320, 870282), (336, 828840), (360, 773584), (384, 725235), (420, 663072), (448, 621630), (480, 580188), (504, 552560), (560, 497304), (576, 483490), (630, 442048), (640, 435141), (672, 414420), (720, 386792), (840, 331536), (896, 310815), (960, 290094), (1008, 276280), (1120, 248652), (1152, 241745), (1260, 221024), (1344, 207210), (1440, 193396), (1680, 165768), (1920, 145047), (2016, 138140), (2240, 124326), (2520, 110512), (2688, 103605), (2880, 96698), (3360, 82884), (4032, 69070), (4480, 62163), (5040, 55256), (5760, 48349), (6720, 41442), (6907, 40320), (8064, 34535), (10080, 27628), (13440, 20721), (13814, 20160)]