278938728

素因数分解:

$2^3\times 3^7\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 797040000

約数和(自身を除く): 518101272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 107, 108, 149, 162, 214, 216, 243, 298, 321, 324, 428, 447, 486, 596, 642, 648, 729, 856, 894, 963, 972, 1192, 1284, 1341, 1458, 1788, 1926, 1944, 2187, 2568, 2682, 2889, 2916, 3576, 3852, 4023, 4374, 5364, 5778, 5832, 7704, 8046, 8667, 8748, 10728, 11556, 12069, 15943, 16092, 17334, 17496, 23112, 24138, 26001, 31886, 32184, 34668, 36207, 47829, 48276, 52002, 63772, 69336, 72414, 78003, 95658, 96552, 104004, 108621, 127544, 143487, 144828, 156006, 191316, 208008, 217242, 234009, 286974, 289656, 312012, 325863, 382632, 430461, 434484, 468018, 573948, 624024, 651726, 860922, 868968, 936036, 1147896, 1291383, 1303452, 1721844, 1872072, 2582766, 2606904, 3443688, 3874149, 5165532, 7748298, 10331064, 11622447, 15496596, 23244894, 30993192, 34867341, 46489788, 69734682, 92979576, 139469364, 278938728]

約数ペア:

[(1, 278938728), (2, 139469364), (3, 92979576), (4, 69734682), (6, 46489788), (8, 34867341), (9, 30993192), (12, 23244894), (18, 15496596), (24, 11622447), (27, 10331064), (36, 7748298), (54, 5165532), (72, 3874149), (81, 3443688), (107, 2606904), (108, 2582766), (149, 1872072), (162, 1721844), (214, 1303452), (216, 1291383), (243, 1147896), (298, 936036), (321, 868968), (324, 860922), (428, 651726), (447, 624024), (486, 573948), (596, 468018), (642, 434484), (648, 430461), (729, 382632), (856, 325863), (894, 312012), (963, 289656), (972, 286974), (1192, 234009), (1284, 217242), (1341, 208008), (1458, 191316), (1788, 156006), (1926, 144828), (1944, 143487), (2187, 127544), (2568, 108621), (2682, 104004), (2889, 96552), (2916, 95658), (3576, 78003), (3852, 72414), (4023, 69336), (4374, 63772), (5364, 52002), (5778, 48276), (5832, 47829), (7704, 36207), (8046, 34668), (8667, 32184), (8748, 31886), (10728, 26001), (11556, 24138), (12069, 23112), (15943, 17496), (16092, 17334)]