261620160

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 224

約数和(自身を含む): 877824000

約数和(自身を除く): 616203840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 59, 60, 62, 64, 80, 93, 96, 118, 120, 124, 149, 155, 160, 177, 186, 192, 236, 240, 248, 295, 298, 310, 320, 354, 372, 447, 465, 472, 480, 496, 590, 596, 620, 708, 744, 745, 885, 894, 930, 944, 960, 992, 1180, 1192, 1240, 1416, 1488, 1490, 1770, 1788, 1829, 1860, 1888, 1984, 2235, 2360, 2384, 2480, 2832, 2976, 2980, 3540, 3576, 3658, 3720, 3776, 4470, 4619, 4720, 4768, 4960, 5487, 5664, 5952, 5960, 7080, 7152, 7316, 7440, 8791, 8940, 9145, 9238, 9440, 9536, 9920, 10974, 11328, 11920, 13857, 14160, 14304, 14632, 14880, 17582, 17880, 18290, 18476, 18880, 21948, 23095, 23840, 26373, 27435, 27714, 28320, 28608, 29264, 29760, 35164, 35760, 36580, 36952, 43896, 43955, 46190, 47680, 52746, 54870, 55428, 56640, 58528, 69285, 70328, 71520, 73160, 73904, 87792, 87910, 92380, 105492, 109740, 110856, 117056, 131865, 138570, 140656, 143040, 146320, 147808, 175584, 175820, 184760, 210984, 219480, 221712, 263730, 272521, 277140, 281312, 292640, 295616, 351168, 351640, 369520, 421968, 438960, 443424, 527460, 545042, 554280, 562624, 585280, 703280, 739040, 817563, 843936, 877920, 886848, 1054920, 1090084, 1108560, 1362605, 1406560, 1478080, 1635126, 1687872, 1755840, 2109840, 2180168, 2217120, 2725210, 2813120, 3270252, 4087815, 4219680, 4360336, 4434240, 5450420, 6540504, 8175630, 8439360, 8720672, 10900840, 13081008, 16351260, 17441344, 21801680, 26162016, 32702520, 43603360, 52324032, 65405040, 87206720, 130810080, 261620160]

約数ペア:

[(1, 261620160), (2, 130810080), (3, 87206720), (4, 65405040), (5, 52324032), (6, 43603360), (8, 32702520), (10, 26162016), (12, 21801680), (15, 17441344), (16, 16351260), (20, 13081008), (24, 10900840), (30, 8720672), (31, 8439360), (32, 8175630), (40, 6540504), (48, 5450420), (59, 4434240), (60, 4360336), (62, 4219680), (64, 4087815), (80, 3270252), (93, 2813120), (96, 2725210), (118, 2217120), (120, 2180168), (124, 2109840), (149, 1755840), (155, 1687872), (160, 1635126), (177, 1478080), (186, 1406560), (192, 1362605), (236, 1108560), (240, 1090084), (248, 1054920), (295, 886848), (298, 877920), (310, 843936), (320, 817563), (354, 739040), (372, 703280), (447, 585280), (465, 562624), (472, 554280), (480, 545042), (496, 527460), (590, 443424), (596, 438960), (620, 421968), (708, 369520), (744, 351640), (745, 351168), (885, 295616), (894, 292640), (930, 281312), (944, 277140), (960, 272521), (992, 263730), (1180, 221712), (1192, 219480), (1240, 210984), (1416, 184760), (1488, 175820), (1490, 175584), (1770, 147808), (1788, 146320), (1829, 143040), (1860, 140656), (1888, 138570), (1984, 131865), (2235, 117056), (2360, 110856), (2384, 109740), (2480, 105492), (2832, 92380), (2976, 87910), (2980, 87792), (3540, 73904), (3576, 73160), (3658, 71520), (3720, 70328), (3776, 69285), (4470, 58528), (4619, 56640), (4720, 55428), (4768, 54870), (4960, 52746), (5487, 47680), (5664, 46190), (5952, 43955), (5960, 43896), (7080, 36952), (7152, 36580), (7316, 35760), (7440, 35164), (8791, 29760), (8940, 29264), (9145, 28608), (9238, 28320), (9440, 27714), (9536, 27435), (9920, 26373), (10974, 23840), (11328, 23095), (11920, 21948), (13857, 18880), (14160, 18476), (14304, 18290), (14632, 17880), (14880, 17582)]