1721000760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{2609}}^1$

素因数の和:2885

約数の個数: 128

約数和(自身を含む): 5412096000

約数和(自身を除く): 3691095240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 239, 276, 345, 460, 478, 552, 690, 717, 920, 956, 1195, 1380, 1434, 1912, 2390, 2609, 2760, 2868, 3585, 4780, 5218, 5497, 5736, 7170, 7827, 9560, 10436, 10994, 13045, 14340, 15654, 16491, 20872, 21988, 26090, 27485, 28680, 31308, 32982, 39135, 43976, 52180, 54970, 60007, 62616, 65964, 78270, 82455, 104360, 109940, 120014, 131928, 156540, 164910, 180021, 219880, 240028, 300035, 313080, 329820, 360042, 480056, 600070, 623551, 659640, 720084, 900105, 1200140, 1247102, 1440168, 1800210, 1870653, 2400280, 2494204, 3117755, 3600420, 3741306, 4988408, 6235510, 7200840, 7482612, 9353265, 12471020, 14341673, 14965224, 18706530, 24942040, 28683346, 37413060, 43025019, 57366692, 71708365, 74826120, 86050038, 114733384, 143416730, 172100076, 215125095, 286833460, 344200152, 430250190, 573666920, 860500380, 1721000760]

約数ペア:

[(1, 1721000760), (2, 860500380), (3, 573666920), (4, 430250190), (5, 344200152), (6, 286833460), (8, 215125095), (10, 172100076), (12, 143416730), (15, 114733384), (20, 86050038), (23, 74826120), (24, 71708365), (30, 57366692), (40, 43025019), (46, 37413060), (60, 28683346), (69, 24942040), (92, 18706530), (115, 14965224), (120, 14341673), (138, 12471020), (184, 9353265), (230, 7482612), (239, 7200840), (276, 6235510), (345, 4988408), (460, 3741306), (478, 3600420), (552, 3117755), (690, 2494204), (717, 2400280), (920, 1870653), (956, 1800210), (1195, 1440168), (1380, 1247102), (1434, 1200140), (1912, 900105), (2390, 720084), (2609, 659640), (2760, 623551), (2868, 600070), (3585, 480056), (4780, 360042), (5218, 329820), (5497, 313080), (5736, 300035), (7170, 240028), (7827, 219880), (9560, 180021), (10436, 164910), (10994, 156540), (13045, 131928), (14340, 120014), (15654, 109940), (16491, 104360), (20872, 82455), (21988, 78270), (26090, 65964), (27485, 62616), (28680, 60007), (31308, 54970), (32982, 52180), (39135, 43976)]