81047520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 288671040

約数和(自身を除く): 207623520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 73, 80, 90, 96, 108, 120, 135, 144, 146, 160, 180, 216, 219, 240, 257, 270, 288, 292, 360, 365, 432, 438, 480, 514, 540, 584, 657, 720, 730, 771, 864, 876, 1028, 1080, 1095, 1168, 1285, 1314, 1440, 1460, 1542, 1752, 1971, 2056, 2160, 2190, 2313, 2336, 2570, 2628, 2920, 3084, 3285, 3504, 3855, 3942, 4112, 4320, 4380, 4626, 5140, 5256, 5840, 6168, 6570, 6939, 7008, 7710, 7884, 8224, 8760, 9252, 9855, 10280, 10512, 11565, 11680, 12336, 13140, 13878, 15420, 15768, 17520, 18504, 18761, 19710, 20560, 21024, 23130, 24672, 26280, 27756, 30840, 31536, 34695, 35040, 37008, 37522, 39420, 41120, 46260, 52560, 55512, 56283, 61680, 63072, 69390, 74016, 75044, 78840, 92520, 93805, 105120, 111024, 112566, 123360, 138780, 150088, 157680, 168849, 185040, 187610, 222048, 225132, 277560, 281415, 300176, 315360, 337698, 370080, 375220, 450264, 506547, 555120, 562830, 600352, 675396, 750440, 844245, 900528, 1013094, 1110240, 1125660, 1350792, 1500880, 1688490, 1801056, 2026188, 2251320, 2532735, 2701584, 3001760, 3376980, 4052376, 4502640, 5065470, 5403168, 6753960, 8104752, 9005280, 10130940, 13507920, 16209504, 20261880, 27015840, 40523760, 81047520]

約数ペア:

[(1, 81047520), (2, 40523760), (3, 27015840), (4, 20261880), (5, 16209504), (6, 13507920), (8, 10130940), (9, 9005280), (10, 8104752), (12, 6753960), (15, 5403168), (16, 5065470), (18, 4502640), (20, 4052376), (24, 3376980), (27, 3001760), (30, 2701584), (32, 2532735), (36, 2251320), (40, 2026188), (45, 1801056), (48, 1688490), (54, 1500880), (60, 1350792), (72, 1125660), (73, 1110240), (80, 1013094), (90, 900528), (96, 844245), (108, 750440), (120, 675396), (135, 600352), (144, 562830), (146, 555120), (160, 506547), (180, 450264), (216, 375220), (219, 370080), (240, 337698), (257, 315360), (270, 300176), (288, 281415), (292, 277560), (360, 225132), (365, 222048), (432, 187610), (438, 185040), (480, 168849), (514, 157680), (540, 150088), (584, 138780), (657, 123360), (720, 112566), (730, 111024), (771, 105120), (864, 93805), (876, 92520), (1028, 78840), (1080, 75044), (1095, 74016), (1168, 69390), (1285, 63072), (1314, 61680), (1440, 56283), (1460, 55512), (1542, 52560), (1752, 46260), (1971, 41120), (2056, 39420), (2160, 37522), (2190, 37008), (2313, 35040), (2336, 34695), (2570, 31536), (2628, 30840), (2920, 27756), (3084, 26280), (3285, 24672), (3504, 23130), (3855, 21024), (3942, 20560), (4112, 19710), (4320, 18761), (4380, 18504), (4626, 17520), (5140, 15768), (5256, 15420), (5840, 13878), (6168, 13140), (6570, 12336), (6939, 11680), (7008, 11565), (7710, 10512), (7884, 10280), (8224, 9855), (8760, 9252)]