205821720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 288

約数和(自身を含む): 770796000

約数和(自身を除く): 564974280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 51, 52, 60, 65, 68, 72, 78, 85, 90, 102, 104, 117, 120, 130, 136, 153, 156, 169, 170, 180, 195, 199, 204, 221, 234, 255, 260, 306, 312, 338, 340, 360, 390, 398, 408, 442, 468, 507, 510, 520, 585, 597, 612, 663, 676, 680, 765, 780, 796, 845, 884, 936, 995, 1014, 1020, 1105, 1170, 1194, 1224, 1326, 1352, 1521, 1530, 1560, 1592, 1690, 1768, 1791, 1989, 1990, 2028, 2040, 2210, 2340, 2388, 2535, 2587, 2652, 2873, 2985, 3042, 3060, 3315, 3380, 3383, 3582, 3978, 3980, 4056, 4420, 4680, 4776, 5070, 5174, 5304, 5746, 5970, 6084, 6120, 6630, 6760, 6766, 7164, 7605, 7761, 7956, 7960, 8619, 8840, 8955, 9945, 10140, 10149, 10348, 11492, 11940, 12168, 12935, 13260, 13532, 14328, 14365, 15210, 15522, 15912, 16915, 17238, 17910, 19890, 20280, 20298, 20696, 22984, 23283, 23880, 25857, 25870, 26520, 27064, 28730, 30420, 30447, 31044, 33631, 33830, 34476, 35820, 38805, 39780, 40596, 43095, 43979, 46566, 50745, 51714, 51740, 57460, 60840, 60894, 62088, 67262, 67660, 68952, 71640, 77610, 79560, 81192, 86190, 87958, 93132, 100893, 101490, 103428, 103480, 114920, 116415, 121788, 129285, 131937, 134524, 135320, 152235, 155220, 168155, 172380, 175916, 186264, 201786, 202980, 206856, 219895, 232830, 243576, 258570, 263874, 269048, 302679, 304470, 310440, 336310, 344760, 351832, 395811, 403572, 405960, 439790, 465660, 504465, 517140, 527748, 571727, 605358, 608940, 659685, 672620, 791622, 807144, 879580, 931320, 1008930, 1034280, 1055496, 1143454, 1210716, 1217880, 1319370, 1345240, 1513395, 1583244, 1715181, 1759160, 1979055, 2017860, 2286908, 2421432, 2638740, 2858635, 3026790, 3166488, 3430362, 3958110, 4035720, 4573816, 5145543, 5277480, 5717270, 6053580, 6860724, 7916220, 8575905, 10291086, 11434540, 12107160, 13721448, 15832440, 17151810, 20582172, 22869080, 25727715, 34303620, 41164344, 51455430, 68607240, 102910860, 205821720]

約数ペア:

[(1, 205821720), (2, 102910860), (3, 68607240), (4, 51455430), (5, 41164344), (6, 34303620), (8, 25727715), (9, 22869080), (10, 20582172), (12, 17151810), (13, 15832440), (15, 13721448), (17, 12107160), (18, 11434540), (20, 10291086), (24, 8575905), (26, 7916220), (30, 6860724), (34, 6053580), (36, 5717270), (39, 5277480), (40, 5145543), (45, 4573816), (51, 4035720), (52, 3958110), (60, 3430362), (65, 3166488), (68, 3026790), (72, 2858635), (78, 2638740), (85, 2421432), (90, 2286908), (102, 2017860), (104, 1979055), (117, 1759160), (120, 1715181), (130, 1583244), (136, 1513395), (153, 1345240), (156, 1319370), (169, 1217880), (170, 1210716), (180, 1143454), (195, 1055496), (199, 1034280), (204, 1008930), (221, 931320), (234, 879580), (255, 807144), (260, 791622), (306, 672620), (312, 659685), (338, 608940), (340, 605358), (360, 571727), (390, 527748), (398, 517140), (408, 504465), (442, 465660), (468, 439790), (507, 405960), (510, 403572), (520, 395811), (585, 351832), (597, 344760), (612, 336310), (663, 310440), (676, 304470), (680, 302679), (765, 269048), (780, 263874), (796, 258570), (845, 243576), (884, 232830), (936, 219895), (995, 206856), (1014, 202980), (1020, 201786), (1105, 186264), (1170, 175916), (1194, 172380), (1224, 168155), (1326, 155220), (1352, 152235), (1521, 135320), (1530, 134524), (1560, 131937), (1592, 129285), (1690, 121788), (1768, 116415), (1791, 114920), (1989, 103480), (1990, 103428), (2028, 101490), (2040, 100893), (2210, 93132), (2340, 87958), (2388, 86190), (2535, 81192), (2587, 79560), (2652, 77610), (2873, 71640), (2985, 68952), (3042, 67660), (3060, 67262), (3315, 62088), (3380, 60894), (3383, 60840), (3582, 57460), (3978, 51740), (3980, 51714), (4056, 50745), (4420, 46566), (4680, 43979), (4776, 43095), (5070, 40596), (5174, 39780), (5304, 38805), (5746, 35820), (5970, 34476), (6084, 33830), (6120, 33631), (6630, 31044), (6760, 30447), (6766, 30420), (7164, 28730), (7605, 27064), (7761, 26520), (7956, 25870), (7960, 25857), (8619, 23880), (8840, 23283), (8955, 22984), (9945, 20696), (10140, 20298), (10149, 20280), (10348, 19890), (11492, 17910), (11940, 17238), (12168, 16915), (12935, 15912), (13260, 15522), (13532, 15210), (14328, 14365)]