20212780800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{293}}^1\times {\mathrm{3593}}^1$

素因数の和:3915

約数の個数: 216

約数和(自身を含む): 66952683504

約数和(自身を除く): 46739902704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 293, 300, 320, 384, 400, 480, 586, 600, 640, 768, 800, 879, 960, 1172, 1200, 1280, 1465, 1600, 1758, 1920, 2344, 2400, 2930, 3200, 3516, 3593, 3840, 4395, 4688, 4800, 5860, 6400, 7032, 7186, 7325, 8790, 9376, 9600, 10779, 11720, 14064, 14372, 14650, 17580, 17965, 18752, 19200, 21558, 21975, 23440, 28128, 28744, 29300, 35160, 35930, 37504, 43116, 43950, 46880, 53895, 56256, 57488, 58600, 70320, 71860, 75008, 86232, 87900, 89825, 93760, 107790, 112512, 114976, 117200, 140640, 143720, 172464, 175800, 179650, 187520, 215580, 225024, 229952, 234400, 269475, 281280, 287440, 344928, 351600, 359300, 375040, 431160, 459904, 468800, 538950, 562560, 574880, 689856, 703200, 718600, 862320, 919808, 937600, 1052749, 1077900, 1125120, 1149760, 1379712, 1406400, 1437200, 1724640, 1875200, 2105498, 2155800, 2299520, 2759424, 2812800, 2874400, 3158247, 3449280, 4210996, 4311600, 4599040, 5263745, 5625600, 5748800, 6316494, 6898560, 8421992, 8623200, 10527490, 11497600, 12632988, 13797120, 15791235, 16843984, 17246400, 21054980, 22995200, 25265976, 26318725, 31582470, 33687968, 34492800, 42109960, 50531952, 52637450, 63164940, 67375936, 68985600, 78956175, 84219920, 101063904, 105274900, 126329880, 134751872, 157912350, 168439840, 202127808, 210549800, 252659760, 269503744, 315824700, 336879680, 404255616, 421099600, 505319520, 631649400, 673759360, 808511232, 842199200, 1010639040, 1263298800, 1347518720, 1684398400, 2021278080, 2526597600, 3368796800, 4042556160, 5053195200, 6737593600, 10106390400, 20212780800]

約数ペア:

[(1, 20212780800), (2, 10106390400), (3, 6737593600), (4, 5053195200), (5, 4042556160), (6, 3368796800), (8, 2526597600), (10, 2021278080), (12, 1684398400), (15, 1347518720), (16, 1263298800), (20, 1010639040), (24, 842199200), (25, 808511232), (30, 673759360), (32, 631649400), (40, 505319520), (48, 421099600), (50, 404255616), (60, 336879680), (64, 315824700), (75, 269503744), (80, 252659760), (96, 210549800), (100, 202127808), (120, 168439840), (128, 157912350), (150, 134751872), (160, 126329880), (192, 105274900), (200, 101063904), (240, 84219920), (256, 78956175), (293, 68985600), (300, 67375936), (320, 63164940), (384, 52637450), (400, 50531952), (480, 42109960), (586, 34492800), (600, 33687968), (640, 31582470), (768, 26318725), (800, 25265976), (879, 22995200), (960, 21054980), (1172, 17246400), (1200, 16843984), (1280, 15791235), (1465, 13797120), (1600, 12632988), (1758, 11497600), (1920, 10527490), (2344, 8623200), (2400, 8421992), (2930, 6898560), (3200, 6316494), (3516, 5748800), (3593, 5625600), (3840, 5263745), (4395, 4599040), (4688, 4311600), (4800, 4210996), (5860, 3449280), (6400, 3158247), (7032, 2874400), (7186, 2812800), (7325, 2759424), (8790, 2299520), (9376, 2155800), (9600, 2105498), (10779, 1875200), (11720, 1724640), (14064, 1437200), (14372, 1406400), (14650, 1379712), (17580, 1149760), (17965, 1125120), (18752, 1077900), (19200, 1052749), (21558, 937600), (21975, 919808), (23440, 862320), (28128, 718600), (28744, 703200), (29300, 689856), (35160, 574880), (35930, 562560), (37504, 538950), (43116, 468800), (43950, 459904), (46880, 431160), (53895, 375040), (56256, 359300), (57488, 351600), (58600, 344928), (70320, 287440), (71860, 281280), (75008, 269475), (86232, 234400), (87900, 229952), (89825, 225024), (93760, 215580), (107790, 187520), (112512, 179650), (114976, 175800), (117200, 172464), (140640, 143720)]