72012080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5591}}^1$

素因数の和:5634

約数の個数: 80

約数和(自身を含む): 199701504

約数和(自身を除く): 127689424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5591, 6440, 11182, 12880, 22364, 27955, 39137, 44728, 55910, 78274, 89456, 111820, 128593, 156548, 195685, 223640, 257186, 313096, 391370, 447280, 514372, 626192, 642965, 782740, 900151, 1028744, 1285930, 1565480, 1800302, 2057488, 2571860, 3130960, 3600604, 4500755, 5143720, 7201208, 9001510, 10287440, 14402416, 18003020, 36006040, 72012080]

約数ペア:

[(1, 72012080), (2, 36006040), (4, 18003020), (5, 14402416), (7, 10287440), (8, 9001510), (10, 7201208), (14, 5143720), (16, 4500755), (20, 3600604), (23, 3130960), (28, 2571860), (35, 2057488), (40, 1800302), (46, 1565480), (56, 1285930), (70, 1028744), (80, 900151), (92, 782740), (112, 642965), (115, 626192), (140, 514372), (161, 447280), (184, 391370), (230, 313096), (280, 257186), (322, 223640), (368, 195685), (460, 156548), (560, 128593), (644, 111820), (805, 89456), (920, 78274), (1288, 55910), (1610, 44728), (1840, 39137), (2576, 27955), (3220, 22364), (5591, 12880), (6440, 11182)]