778867728

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 2048976000

約数和(自身を除く): 1270108272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 449, 509, 568, 852, 898, 1018, 1136, 1347, 1527, 1704, 1796, 2036, 2694, 3054, 3408, 3592, 4072, 5388, 6108, 7184, 8144, 10776, 12216, 21552, 24432, 31879, 36139, 63758, 72278, 95637, 108417, 127516, 144556, 191274, 216834, 228541, 255032, 289112, 382548, 433668, 457082, 510064, 578224, 685623, 765096, 867336, 914164, 1371246, 1530192, 1734672, 1828328, 2742492, 3656656, 5484984, 10969968, 16226411, 32452822, 48679233, 64905644, 97358466, 129811288, 194716932, 259622576, 389433864, 778867728]

約数ペア:

[(1, 778867728), (2, 389433864), (3, 259622576), (4, 194716932), (6, 129811288), (8, 97358466), (12, 64905644), (16, 48679233), (24, 32452822), (48, 16226411), (71, 10969968), (142, 5484984), (213, 3656656), (284, 2742492), (426, 1828328), (449, 1734672), (509, 1530192), (568, 1371246), (852, 914164), (898, 867336), (1018, 765096), (1136, 685623), (1347, 578224), (1527, 510064), (1704, 457082), (1796, 433668), (2036, 382548), (2694, 289112), (3054, 255032), (3408, 228541), (3592, 216834), (4072, 191274), (5388, 144556), (6108, 127516), (7184, 108417), (8144, 95637), (10776, 72278), (12216, 63758), (21552, 36139), (24432, 31879)]