287204760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 992160000

約数和(自身を除く): 704955240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 199, 211, 228, 285, 342, 360, 380, 398, 422, 456, 570, 597, 633, 684, 760, 796, 844, 855, 995, 1055, 1140, 1194, 1266, 1368, 1592, 1688, 1710, 1791, 1899, 1990, 2110, 2280, 2388, 2532, 2985, 3165, 3420, 3582, 3781, 3798, 3980, 4009, 4220, 4776, 5064, 5970, 6330, 6840, 7164, 7562, 7596, 7960, 8018, 8440, 8955, 9495, 11343, 11940, 12027, 12660, 14328, 15124, 15192, 16036, 17910, 18905, 18990, 20045, 22686, 23880, 24054, 25320, 30248, 32072, 34029, 35820, 36081, 37810, 37980, 40090, 41989, 45372, 48108, 56715, 60135, 68058, 71640, 72162, 75620, 75960, 80180, 83978, 90744, 96216, 113430, 120270, 125967, 136116, 144324, 151240, 160360, 167956, 170145, 180405, 209945, 226860, 240540, 251934, 272232, 288648, 335912, 340290, 360810, 377901, 419890, 453720, 481080, 503868, 629835, 680580, 721620, 755802, 797791, 839780, 1007736, 1259670, 1361160, 1443240, 1511604, 1595582, 1679560, 1889505, 2393373, 2519340, 3023208, 3191164, 3779010, 3988955, 4786746, 5038680, 6382328, 7180119, 7558020, 7977910, 9573492, 11966865, 14360238, 15116040, 15955820, 19146984, 23933730, 28720476, 31911640, 35900595, 47867460, 57440952, 71801190, 95734920, 143602380, 287204760]

約数ペア:

[(1, 287204760), (2, 143602380), (3, 95734920), (4, 71801190), (5, 57440952), (6, 47867460), (8, 35900595), (9, 31911640), (10, 28720476), (12, 23933730), (15, 19146984), (18, 15955820), (19, 15116040), (20, 14360238), (24, 11966865), (30, 9573492), (36, 7977910), (38, 7558020), (40, 7180119), (45, 6382328), (57, 5038680), (60, 4786746), (72, 3988955), (76, 3779010), (90, 3191164), (95, 3023208), (114, 2519340), (120, 2393373), (152, 1889505), (171, 1679560), (180, 1595582), (190, 1511604), (199, 1443240), (211, 1361160), (228, 1259670), (285, 1007736), (342, 839780), (360, 797791), (380, 755802), (398, 721620), (422, 680580), (456, 629835), (570, 503868), (597, 481080), (633, 453720), (684, 419890), (760, 377901), (796, 360810), (844, 340290), (855, 335912), (995, 288648), (1055, 272232), (1140, 251934), (1194, 240540), (1266, 226860), (1368, 209945), (1592, 180405), (1688, 170145), (1710, 167956), (1791, 160360), (1899, 151240), (1990, 144324), (2110, 136116), (2280, 125967), (2388, 120270), (2532, 113430), (2985, 96216), (3165, 90744), (3420, 83978), (3582, 80180), (3781, 75960), (3798, 75620), (3980, 72162), (4009, 71640), (4220, 68058), (4776, 60135), (5064, 56715), (5970, 48108), (6330, 45372), (6840, 41989), (7164, 40090), (7562, 37980), (7596, 37810), (7960, 36081), (8018, 35820), (8440, 34029), (8955, 32072), (9495, 30248), (11343, 25320), (11940, 24054), (12027, 23880), (12660, 22686), (14328, 20045), (15124, 18990), (15192, 18905), (16036, 17910)]