71855680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:804

約数の個数: 112

約数和(自身を含む): 192536064

約数和(自身を除く): 120680384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 598, 736, 751, 832, 920, 1040, 1196, 1472, 1495, 1502, 1840, 2080, 2392, 2990, 3004, 3680, 3755, 4160, 4784, 5980, 6008, 7360, 7510, 9568, 9763, 11960, 12016, 15020, 17273, 19136, 19526, 23920, 24032, 30040, 34546, 39052, 47840, 48064, 48815, 60080, 69092, 78104, 86365, 95680, 97630, 120160, 138184, 156208, 172730, 195260, 224549, 240320, 276368, 312416, 345460, 390520, 449098, 552736, 624832, 690920, 781040, 898196, 1105472, 1122745, 1381840, 1562080, 1796392, 2245490, 2763680, 3124160, 3592784, 4490980, 5527360, 7185568, 8981960, 14371136, 17963920, 35927840, 71855680]

約数ペア:

[(1, 71855680), (2, 35927840), (4, 17963920), (5, 14371136), (8, 8981960), (10, 7185568), (13, 5527360), (16, 4490980), (20, 3592784), (23, 3124160), (26, 2763680), (32, 2245490), (40, 1796392), (46, 1562080), (52, 1381840), (64, 1122745), (65, 1105472), (80, 898196), (92, 781040), (104, 690920), (115, 624832), (130, 552736), (160, 449098), (184, 390520), (208, 345460), (230, 312416), (260, 276368), (299, 240320), (320, 224549), (368, 195260), (416, 172730), (460, 156208), (520, 138184), (598, 120160), (736, 97630), (751, 95680), (832, 86365), (920, 78104), (1040, 69092), (1196, 60080), (1472, 48815), (1495, 48064), (1502, 47840), (1840, 39052), (2080, 34546), (2392, 30040), (2990, 24032), (3004, 23920), (3680, 19526), (3755, 19136), (4160, 17273), (4784, 15020), (5980, 12016), (6008, 11960), (7360, 9763), (7510, 9568)]