131268360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 414720000

約数和(自身を除く): 283451640

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, 199, 230, 239, 276, 345, 398, 460, 478, 552, 597, 690, 717, 796, 920, 956, 995, 1194, 1195, 1380, 1434, 1592, 1912, 1990, 2388, 2390, 2760, 2868, 2985, 3585, 3980, 4577, 4776, 4780, 5497, 5736, 5970, 7170, 7960, 9154, 9560, 10994, 11940, 13731, 14340, 16491, 18308, 21988, 22885, 23880, 27462, 27485, 28680, 32982, 36616, 43976, 45770, 47561, 54924, 54970, 65964, 68655, 82455, 91540, 95122, 109848, 109940, 131928, 137310, 142683, 164910, 183080, 190244, 219880, 237805, 274620, 285366, 329820, 380488, 475610, 549240, 570732, 659640, 713415, 951220, 1093903, 1141464, 1426830, 1902440, 2187806, 2853660, 3281709, 4375612, 5469515, 5707320, 6563418, 8751224, 10939030, 13126836, 16408545, 21878060, 26253672, 32817090, 43756120, 65634180, 131268360]

約数ペア:

[(1, 131268360), (2, 65634180), (3, 43756120), (4, 32817090), (5, 26253672), (6, 21878060), (8, 16408545), (10, 13126836), (12, 10939030), (15, 8751224), (20, 6563418), (23, 5707320), (24, 5469515), (30, 4375612), (40, 3281709), (46, 2853660), (60, 2187806), (69, 1902440), (92, 1426830), (115, 1141464), (120, 1093903), (138, 951220), (184, 713415), (199, 659640), (230, 570732), (239, 549240), (276, 475610), (345, 380488), (398, 329820), (460, 285366), (478, 274620), (552, 237805), (597, 219880), (690, 190244), (717, 183080), (796, 164910), (920, 142683), (956, 137310), (995, 131928), (1194, 109940), (1195, 109848), (1380, 95122), (1434, 91540), (1592, 82455), (1912, 68655), (1990, 65964), (2388, 54970), (2390, 54924), (2760, 47561), (2868, 45770), (2985, 43976), (3585, 36616), (3980, 32982), (4577, 28680), (4776, 27485), (4780, 27462), (5497, 23880), (5736, 22885), (5970, 21988), (7170, 18308), (7960, 16491), (9154, 14340), (9560, 13731), (10994, 11940)]