255352240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 240

約数和(自身を含む): 749925216

約数和(自身を除く): 494572976

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 101, 104, 110, 130, 136, 143, 169, 170, 176, 187, 202, 208, 220, 221, 260, 272, 286, 338, 340, 374, 404, 440, 442, 505, 520, 572, 676, 680, 715, 748, 808, 845, 880, 884, 935, 1010, 1040, 1105, 1111, 1144, 1313, 1352, 1360, 1430, 1496, 1616, 1690, 1717, 1768, 1859, 1870, 2020, 2210, 2222, 2288, 2431, 2626, 2704, 2860, 2873, 2992, 3380, 3434, 3536, 3718, 3740, 4040, 4420, 4444, 4862, 5252, 5555, 5720, 5746, 6565, 6760, 6868, 7436, 7480, 8080, 8585, 8840, 8888, 9295, 9724, 10504, 11110, 11440, 11492, 12155, 13130, 13520, 13736, 14365, 14443, 14872, 14960, 17069, 17170, 17680, 17776, 18590, 18887, 19448, 21008, 22220, 22321, 22984, 24310, 26260, 27472, 28730, 28886, 29744, 31603, 34138, 34340, 37180, 37774, 38896, 44440, 44642, 45968, 48620, 52520, 57460, 57772, 63206, 68276, 68680, 72215, 74360, 75548, 85345, 88880, 89284, 94435, 97240, 105040, 111605, 114920, 115544, 126412, 136552, 137360, 144430, 148720, 151096, 158015, 170690, 178568, 187759, 188870, 194480, 223210, 229840, 231088, 245531, 252824, 273104, 288860, 290173, 302192, 316030, 341380, 357136, 375518, 377740, 446420, 491062, 505648, 577720, 580346, 632060, 682760, 751036, 755480, 892840, 938795, 982124, 1155440, 1160692, 1227655, 1264120, 1365520, 1450865, 1502072, 1510960, 1785680, 1877590, 1964248, 2321384, 2455310, 2528240, 2901730, 3004144, 3191903, 3755180, 3928496, 4642768, 4910620, 5803460, 6383806, 7510360, 9821240, 11606920, 12767612, 15020720, 15959515, 19642480, 23213840, 25535224, 31919030, 51070448, 63838060, 127676120, 255352240]

約数ペア:

[(1, 255352240), (2, 127676120), (4, 63838060), (5, 51070448), (8, 31919030), (10, 25535224), (11, 23213840), (13, 19642480), (16, 15959515), (17, 15020720), (20, 12767612), (22, 11606920), (26, 9821240), (34, 7510360), (40, 6383806), (44, 5803460), (52, 4910620), (55, 4642768), (65, 3928496), (68, 3755180), (80, 3191903), (85, 3004144), (88, 2901730), (101, 2528240), (104, 2455310), (110, 2321384), (130, 1964248), (136, 1877590), (143, 1785680), (169, 1510960), (170, 1502072), (176, 1450865), (187, 1365520), (202, 1264120), (208, 1227655), (220, 1160692), (221, 1155440), (260, 982124), (272, 938795), (286, 892840), (338, 755480), (340, 751036), (374, 682760), (404, 632060), (440, 580346), (442, 577720), (505, 505648), (520, 491062), (572, 446420), (676, 377740), (680, 375518), (715, 357136), (748, 341380), (808, 316030), (845, 302192), (880, 290173), (884, 288860), (935, 273104), (1010, 252824), (1040, 245531), (1105, 231088), (1111, 229840), (1144, 223210), (1313, 194480), (1352, 188870), (1360, 187759), (1430, 178568), (1496, 170690), (1616, 158015), (1690, 151096), (1717, 148720), (1768, 144430), (1859, 137360), (1870, 136552), (2020, 126412), (2210, 115544), (2222, 114920), (2288, 111605), (2431, 105040), (2626, 97240), (2704, 94435), (2860, 89284), (2873, 88880), (2992, 85345), (3380, 75548), (3434, 74360), (3536, 72215), (3718, 68680), (3740, 68276), (4040, 63206), (4420, 57772), (4444, 57460), (4862, 52520), (5252, 48620), (5555, 45968), (5720, 44642), (5746, 44440), (6565, 38896), (6760, 37774), (6868, 37180), (7436, 34340), (7480, 34138), (8080, 31603), (8585, 29744), (8840, 28886), (8888, 28730), (9295, 27472), (9724, 26260), (10504, 24310), (11110, 22984), (11440, 22321), (11492, 22220), (12155, 21008), (13130, 19448), (13520, 18887), (13736, 18590), (14365, 17776), (14443, 17680), (14872, 17170), (14960, 17069)]