71663680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20359}}^1$

素因数の和:20387

約数の個数: 56

約数和(自身を含む): 186171840

約数和(自身を除く): 114508160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20359, 40718, 81436, 101795, 162872, 203590, 223949, 325744, 407180, 447898, 651488, 814360, 895796, 1119745, 1302976, 1628720, 1791592, 2239490, 3257440, 3583184, 4478980, 6514880, 7166368, 8957960, 14332736, 17915920, 35831840, 71663680]

約数ペア:

[(1, 71663680), (2, 35831840), (4, 17915920), (5, 14332736), (8, 8957960), (10, 7166368), (11, 6514880), (16, 4478980), (20, 3583184), (22, 3257440), (32, 2239490), (40, 1791592), (44, 1628720), (55, 1302976), (64, 1119745), (80, 895796), (88, 814360), (110, 651488), (160, 447898), (176, 407180), (220, 325744), (320, 223949), (352, 203590), (440, 162872), (704, 101795), (880, 81436), (1760, 40718), (3520, 20359)]