489362720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 288

約数和(自身を含む): 1525112064

約数和(自身を除く): 1035749344

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 121, 140, 154, 157, 160, 161, 176, 184, 220, 224, 230, 242, 253, 280, 308, 314, 322, 352, 368, 385, 440, 460, 484, 506, 560, 605, 616, 628, 644, 736, 770, 785, 805, 847, 880, 920, 968, 1012, 1099, 1120, 1210, 1232, 1256, 1265, 1288, 1540, 1570, 1610, 1694, 1727, 1760, 1771, 1840, 1936, 2024, 2198, 2420, 2464, 2512, 2530, 2576, 2783, 3080, 3140, 3220, 3388, 3454, 3542, 3611, 3680, 3872, 4048, 4235, 4396, 4840, 5024, 5060, 5152, 5495, 5566, 6160, 6280, 6440, 6776, 6908, 7084, 7222, 8096, 8470, 8635, 8792, 8855, 9680, 10120, 10990, 11132, 12089, 12320, 12560, 12880, 13552, 13816, 13915, 14168, 14444, 16940, 17270, 17584, 17710, 18055, 18997, 19360, 19481, 20240, 21980, 22264, 24178, 25120, 25277, 25760, 27104, 27632, 27830, 28336, 28888, 33880, 34540, 35168, 35420, 36110, 37994, 38962, 39721, 40480, 43960, 44528, 48356, 50554, 55264, 55660, 56672, 57776, 60445, 67760, 69080, 70840, 72220, 75988, 77924, 79442, 87920, 89056, 94985, 96712, 97405, 101108, 111320, 115552, 120890, 126385, 132979, 135520, 138160, 141680, 144440, 151976, 155848, 158884, 175840, 189970, 193424, 194810, 198605, 202216, 222640, 241780, 252770, 265958, 276320, 278047, 283360, 288880, 303952, 311696, 317768, 379940, 386848, 389620, 397210, 404432, 436931, 445280, 483560, 505540, 531916, 556094, 577760, 607904, 623392, 635536, 664895, 759880, 779240, 794420, 808864, 873862, 967120, 1011080, 1063832, 1112188, 1271072, 1329790, 1390235, 1519760, 1558480, 1588840, 1747724, 1934240, 2022160, 2127664, 2184655, 2224376, 2659580, 2780470, 3039520, 3058517, 3116960, 3177680, 3495448, 4044320, 4255328, 4369310, 4448752, 5319160, 5560940, 6117034, 6355360, 6990896, 8738620, 8897504, 10638320, 11121880, 12234068, 13981792, 15292585, 17477240, 21276640, 22243760, 24468136, 30585170, 34954480, 44487520, 48936272, 61170340, 69908960, 97872544, 122340680, 244681360, 489362720]

約数ペア:

[(1, 489362720), (2, 244681360), (4, 122340680), (5, 97872544), (7, 69908960), (8, 61170340), (10, 48936272), (11, 44487520), (14, 34954480), (16, 30585170), (20, 24468136), (22, 22243760), (23, 21276640), (28, 17477240), (32, 15292585), (35, 13981792), (40, 12234068), (44, 11121880), (46, 10638320), (55, 8897504), (56, 8738620), (70, 6990896), (77, 6355360), (80, 6117034), (88, 5560940), (92, 5319160), (110, 4448752), (112, 4369310), (115, 4255328), (121, 4044320), (140, 3495448), (154, 3177680), (157, 3116960), (160, 3058517), (161, 3039520), (176, 2780470), (184, 2659580), (220, 2224376), (224, 2184655), (230, 2127664), (242, 2022160), (253, 1934240), (280, 1747724), (308, 1588840), (314, 1558480), (322, 1519760), (352, 1390235), (368, 1329790), (385, 1271072), (440, 1112188), (460, 1063832), (484, 1011080), (506, 967120), (560, 873862), (605, 808864), (616, 794420), (628, 779240), (644, 759880), (736, 664895), (770, 635536), (785, 623392), (805, 607904), (847, 577760), (880, 556094), (920, 531916), (968, 505540), (1012, 483560), (1099, 445280), (1120, 436931), (1210, 404432), (1232, 397210), (1256, 389620), (1265, 386848), (1288, 379940), (1540, 317768), (1570, 311696), (1610, 303952), (1694, 288880), (1727, 283360), (1760, 278047), (1771, 276320), (1840, 265958), (1936, 252770), (2024, 241780), (2198, 222640), (2420, 202216), (2464, 198605), (2512, 194810), (2530, 193424), (2576, 189970), (2783, 175840), (3080, 158884), (3140, 155848), (3220, 151976), (3388, 144440), (3454, 141680), (3542, 138160), (3611, 135520), (3680, 132979), (3872, 126385), (4048, 120890), (4235, 115552), (4396, 111320), (4840, 101108), (5024, 97405), (5060, 96712), (5152, 94985), (5495, 89056), (5566, 87920), (6160, 79442), (6280, 77924), (6440, 75988), (6776, 72220), (6908, 70840), (7084, 69080), (7222, 67760), (8096, 60445), (8470, 57776), (8635, 56672), (8792, 55660), (8855, 55264), (9680, 50554), (10120, 48356), (10990, 44528), (11132, 43960), (12089, 40480), (12320, 39721), (12560, 38962), (12880, 37994), (13552, 36110), (13816, 35420), (13915, 35168), (14168, 34540), (14444, 33880), (16940, 28888), (17270, 28336), (17584, 27830), (17710, 27632), (18055, 27104), (18997, 25760), (19360, 25277), (19481, 25120), (20240, 24178), (21980, 22264)]