71596720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1670

約数の個数: 80

約数和(自身を含む): 183550752

約数和(自身を除く): 111954032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1601, 1720, 2236, 2795, 3202, 3440, 4472, 5590, 6404, 8005, 8944, 11180, 12808, 16010, 20813, 22360, 25616, 32020, 41626, 44720, 64040, 68843, 83252, 104065, 128080, 137686, 166504, 208130, 275372, 333008, 344215, 416260, 550744, 688430, 832520, 894959, 1101488, 1376860, 1665040, 1789918, 2753720, 3579836, 4474795, 5507440, 7159672, 8949590, 14319344, 17899180, 35798360, 71596720]

約数ペア:

[(1, 71596720), (2, 35798360), (4, 17899180), (5, 14319344), (8, 8949590), (10, 7159672), (13, 5507440), (16, 4474795), (20, 3579836), (26, 2753720), (40, 1789918), (43, 1665040), (52, 1376860), (65, 1101488), (80, 894959), (86, 832520), (104, 688430), (130, 550744), (172, 416260), (208, 344215), (215, 333008), (260, 275372), (344, 208130), (430, 166504), (520, 137686), (559, 128080), (688, 104065), (860, 83252), (1040, 68843), (1118, 64040), (1601, 44720), (1720, 41626), (2236, 32020), (2795, 25616), (3202, 22360), (3440, 20813), (4472, 16010), (5590, 12808), (6404, 11180), (8005, 8944)]