217977760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 192

約数和(自身を含む): 691939584

約数和(自身を除く): 473961824

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 352, 364, 385, 416, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1120, 1144, 1232, 1361, 1430, 1456, 1540, 1760, 1820, 2002, 2080, 2288, 2464, 2722, 2860, 2912, 3080, 3640, 4004, 4576, 5005, 5444, 5720, 6160, 6805, 7280, 8008, 9527, 10010, 10888, 11440, 12320, 13610, 14560, 14971, 16016, 17693, 19054, 20020, 21776, 22880, 27220, 29942, 32032, 35386, 38108, 40040, 43552, 47635, 54440, 59884, 70772, 74855, 76216, 80080, 88465, 95270, 104797, 108880, 119768, 123851, 141544, 149710, 152432, 160160, 176930, 190540, 194623, 209594, 217760, 239536, 247702, 283088, 299420, 304864, 353860, 381080, 389246, 419188, 479072, 495404, 523985, 566176, 598840, 619255, 707720, 762160, 778492, 838376, 973115, 990808, 1047970, 1197680, 1238510, 1362361, 1415440, 1524320, 1556984, 1676752, 1946230, 1981616, 2095940, 2395360, 2477020, 2724722, 2830880, 3113968, 3353504, 3892460, 3963232, 4191880, 4954040, 5449444, 6227936, 6811805, 7784920, 8383760, 9908080, 10898888, 13623610, 15569840, 16767520, 19816160, 21797776, 27247220, 31139680, 43595552, 54494440, 108988880, 217977760]

約数ペア:

[(1, 217977760), (2, 108988880), (4, 54494440), (5, 43595552), (7, 31139680), (8, 27247220), (10, 21797776), (11, 19816160), (13, 16767520), (14, 15569840), (16, 13623610), (20, 10898888), (22, 9908080), (26, 8383760), (28, 7784920), (32, 6811805), (35, 6227936), (40, 5449444), (44, 4954040), (52, 4191880), (55, 3963232), (56, 3892460), (65, 3353504), (70, 3113968), (77, 2830880), (80, 2724722), (88, 2477020), (91, 2395360), (104, 2095940), (110, 1981616), (112, 1946230), (130, 1676752), (140, 1556984), (143, 1524320), (154, 1415440), (160, 1362361), (176, 1238510), (182, 1197680), (208, 1047970), (220, 990808), (224, 973115), (260, 838376), (280, 778492), (286, 762160), (308, 707720), (352, 619255), (364, 598840), (385, 566176), (416, 523985), (440, 495404), (455, 479072), (520, 419188), (560, 389246), (572, 381080), (616, 353860), (715, 304864), (728, 299420), (770, 283088), (880, 247702), (910, 239536), (1001, 217760), (1040, 209594), (1120, 194623), (1144, 190540), (1232, 176930), (1361, 160160), (1430, 152432), (1456, 149710), (1540, 141544), (1760, 123851), (1820, 119768), (2002, 108880), (2080, 104797), (2288, 95270), (2464, 88465), (2722, 80080), (2860, 76216), (2912, 74855), (3080, 70772), (3640, 59884), (4004, 54440), (4576, 47635), (5005, 43552), (5444, 40040), (5720, 38108), (6160, 35386), (6805, 32032), (7280, 29942), (8008, 27220), (9527, 22880), (10010, 21776), (10888, 20020), (11440, 19054), (12320, 17693), (13610, 16016), (14560, 14971)]