20887974240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{1553}}^1\times {\mathrm{4003}}^1$

素因数の和:5581

約数の個数: 192

約数和(自身を含む): 75263924736

約数和(自身を除く): 54375950496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1553, 1680, 3106, 3360, 4003, 4659, 6212, 7765, 8006, 9318, 10871, 12009, 12424, 15530, 16012, 18636, 20015, 21742, 23295, 24018, 24848, 28021, 31060, 32024, 32613, 37272, 40030, 43484, 46590, 48036, 49696, 54355, 56042, 60045, 62120, 64048, 65226, 74544, 80060, 84063, 86968, 93180, 96072, 108710, 112084, 120090, 124240, 128096, 130452, 140105, 149088, 160120, 163065, 168126, 173936, 186360, 192144, 217420, 224168, 240180, 248480, 260904, 280210, 320240, 326130, 336252, 347872, 372720, 384288, 420315, 434840, 448336, 480360, 521808, 560420, 640480, 652260, 672504, 745440, 840630, 869680, 896672, 960720, 1043616, 1120840, 1304520, 1345008, 1681260, 1739360, 1921440, 2241680, 2609040, 2690016, 3362520, 4483360, 5218080, 6216659, 6725040, 12433318, 13450080, 18649977, 24866636, 31083295, 37299954, 43516613, 49733272, 62166590, 74599908, 87033226, 93249885, 99466544, 124333180, 130549839, 149199816, 174066452, 186499770, 198933088, 217583065, 248666360, 261099678, 298399632, 348132904, 372999540, 435166130, 497332720, 522199356, 596799264, 652749195, 696265808, 745999080, 870332260, 994665440, 1044398712, 1305498390, 1392531616, 1491998160, 1740664520, 2088797424, 2610996780, 2983996320, 3481329040, 4177594848, 5221993560, 6962658080, 10443987120, 20887974240]

約数ペア:

[(1, 20887974240), (2, 10443987120), (3, 6962658080), (4, 5221993560), (5, 4177594848), (6, 3481329040), (7, 2983996320), (8, 2610996780), (10, 2088797424), (12, 1740664520), (14, 1491998160), (15, 1392531616), (16, 1305498390), (20, 1044398712), (21, 994665440), (24, 870332260), (28, 745999080), (30, 696265808), (32, 652749195), (35, 596799264), (40, 522199356), (42, 497332720), (48, 435166130), (56, 372999540), (60, 348132904), (70, 298399632), (80, 261099678), (84, 248666360), (96, 217583065), (105, 198933088), (112, 186499770), (120, 174066452), (140, 149199816), (160, 130549839), (168, 124333180), (210, 99466544), (224, 93249885), (240, 87033226), (280, 74599908), (336, 62166590), (420, 49733272), (480, 43516613), (560, 37299954), (672, 31083295), (840, 24866636), (1120, 18649977), (1553, 13450080), (1680, 12433318), (3106, 6725040), (3360, 6216659), (4003, 5218080), (4659, 4483360), (6212, 3362520), (7765, 2690016), (8006, 2609040), (9318, 2241680), (10871, 1921440), (12009, 1739360), (12424, 1681260), (15530, 1345008), (16012, 1304520), (18636, 1120840), (20015, 1043616), (21742, 960720), (23295, 896672), (24018, 869680), (24848, 840630), (28021, 745440), (31060, 672504), (32024, 652260), (32613, 640480), (37272, 560420), (40030, 521808), (43484, 480360), (46590, 448336), (48036, 434840), (49696, 420315), (54355, 384288), (56042, 372720), (60045, 347872), (62120, 336252), (64048, 326130), (65226, 320240), (74544, 280210), (80060, 260904), (84063, 248480), (86968, 240180), (93180, 224168), (96072, 217420), (108710, 192144), (112084, 186360), (120090, 173936), (124240, 168126), (128096, 163065), (130452, 160120), (140105, 149088)]