256473984

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:732

約数の個数: 128

約数和(自身を含む): 743702400

約数和(自身を除く): 487228416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 83, 96, 104, 128, 156, 166, 192, 208, 249, 312, 332, 384, 416, 498, 619, 624, 664, 832, 996, 1079, 1238, 1248, 1328, 1664, 1857, 1992, 2158, 2476, 2496, 2656, 3237, 3714, 3984, 4316, 4952, 4992, 5312, 6474, 7428, 7968, 8047, 8632, 9904, 10624, 12948, 14856, 15936, 16094, 17264, 19808, 24141, 25896, 29712, 31872, 32188, 34528, 39616, 48282, 51377, 51792, 59424, 64376, 69056, 79232, 96564, 102754, 103584, 118848, 128752, 138112, 154131, 193128, 205508, 207168, 237696, 257504, 308262, 386256, 411016, 414336, 515008, 616524, 667901, 772512, 822032, 1030016, 1233048, 1335802, 1545024, 1644064, 2003703, 2466096, 2671604, 3090048, 3288128, 4007406, 4932192, 5343208, 6576256, 8014812, 9864384, 10686416, 16029624, 19728768, 21372832, 32059248, 42745664, 64118496, 85491328, 128236992, 256473984]

約数ペア:

[(1, 256473984), (2, 128236992), (3, 85491328), (4, 64118496), (6, 42745664), (8, 32059248), (12, 21372832), (13, 19728768), (16, 16029624), (24, 10686416), (26, 9864384), (32, 8014812), (39, 6576256), (48, 5343208), (52, 4932192), (64, 4007406), (78, 3288128), (83, 3090048), (96, 2671604), (104, 2466096), (128, 2003703), (156, 1644064), (166, 1545024), (192, 1335802), (208, 1233048), (249, 1030016), (312, 822032), (332, 772512), (384, 667901), (416, 616524), (498, 515008), (619, 414336), (624, 411016), (664, 386256), (832, 308262), (996, 257504), (1079, 237696), (1238, 207168), (1248, 205508), (1328, 193128), (1664, 154131), (1857, 138112), (1992, 128752), (2158, 118848), (2476, 103584), (2496, 102754), (2656, 96564), (3237, 79232), (3714, 69056), (3984, 64376), (4316, 59424), (4952, 51792), (4992, 51377), (5312, 48282), (6474, 39616), (7428, 34528), (7968, 32188), (8047, 31872), (8632, 29712), (9904, 25896), (10624, 24141), (12948, 19808), (14856, 17264), (15936, 16094)]