123393456

素因数分解:

$2^4\times 3^6\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:246

約数の個数: 140

約数和(自身を含む): 365936400

約数和(自身を除く): 242542944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 81, 108, 142, 144, 149, 162, 213, 216, 243, 284, 298, 324, 426, 432, 447, 486, 568, 596, 639, 648, 729, 852, 894, 972, 1136, 1192, 1278, 1296, 1341, 1458, 1704, 1788, 1917, 1944, 2384, 2556, 2682, 2916, 3408, 3576, 3834, 3888, 4023, 5112, 5364, 5751, 5832, 7152, 7668, 8046, 10224, 10579, 10728, 11502, 11664, 12069, 15336, 16092, 17253, 21158, 21456, 23004, 24138, 30672, 31737, 32184, 34506, 36207, 42316, 46008, 48276, 51759, 63474, 64368, 69012, 72414, 84632, 92016, 95211, 96552, 103518, 108621, 126948, 138024, 144828, 169264, 190422, 193104, 207036, 217242, 253896, 276048, 285633, 289656, 380844, 414072, 434484, 507792, 571266, 579312, 761688, 828144, 856899, 868968, 1142532, 1523376, 1713798, 1737936, 2285064, 2570697, 3427596, 4570128, 5141394, 6855192, 7712091, 10282788, 13710384, 15424182, 20565576, 30848364, 41131152, 61696728, 123393456]

約数ペア:

[(1, 123393456), (2, 61696728), (3, 41131152), (4, 30848364), (6, 20565576), (8, 15424182), (9, 13710384), (12, 10282788), (16, 7712091), (18, 6855192), (24, 5141394), (27, 4570128), (36, 3427596), (48, 2570697), (54, 2285064), (71, 1737936), (72, 1713798), (81, 1523376), (108, 1142532), (142, 868968), (144, 856899), (149, 828144), (162, 761688), (213, 579312), (216, 571266), (243, 507792), (284, 434484), (298, 414072), (324, 380844), (426, 289656), (432, 285633), (447, 276048), (486, 253896), (568, 217242), (596, 207036), (639, 193104), (648, 190422), (729, 169264), (852, 144828), (894, 138024), (972, 126948), (1136, 108621), (1192, 103518), (1278, 96552), (1296, 95211), (1341, 92016), (1458, 84632), (1704, 72414), (1788, 69012), (1917, 64368), (1944, 63474), (2384, 51759), (2556, 48276), (2682, 46008), (2916, 42316), (3408, 36207), (3576, 34506), (3834, 32184), (3888, 31737), (4023, 30672), (5112, 24138), (5364, 23004), (5751, 21456), (5832, 21158), (7152, 17253), (7668, 16092), (8046, 15336), (10224, 12069), (10579, 11664), (10728, 11502)]