128655072

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4945

約数の個数: 144

約数和(自身を含む): 450384480

約数和(自身を除く): 321729408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3276, 3744, 4368, 4909, 6552, 8736, 9818, 13104, 14727, 19636, 26208, 29454, 34363, 39272, 44181, 58908, 63817, 68726, 78544, 88362, 103089, 117816, 127634, 137452, 157088, 176724, 191451, 206178, 235632, 255268, 274904, 309267, 353448, 382902, 412356, 446719, 471264, 510536, 549808, 574353, 618534, 706896, 765804, 824712, 893438, 1021072, 1099616, 1148706, 1237068, 1340157, 1413792, 1531608, 1649424, 1786876, 2042144, 2297412, 2474136, 2680314, 3063216, 3298848, 3573752, 4020471, 4594824, 4948272, 5360628, 6126432, 7147504, 8040942, 9189648, 9896544, 10721256, 14295008, 16081884, 18379296, 21442512, 32163768, 42885024, 64327536, 128655072]

約数ペア:

[(1, 128655072), (2, 64327536), (3, 42885024), (4, 32163768), (6, 21442512), (7, 18379296), (8, 16081884), (9, 14295008), (12, 10721256), (13, 9896544), (14, 9189648), (16, 8040942), (18, 7147504), (21, 6126432), (24, 5360628), (26, 4948272), (28, 4594824), (32, 4020471), (36, 3573752), (39, 3298848), (42, 3063216), (48, 2680314), (52, 2474136), (56, 2297412), (63, 2042144), (72, 1786876), (78, 1649424), (84, 1531608), (91, 1413792), (96, 1340157), (104, 1237068), (112, 1148706), (117, 1099616), (126, 1021072), (144, 893438), (156, 824712), (168, 765804), (182, 706896), (208, 618534), (224, 574353), (234, 549808), (252, 510536), (273, 471264), (288, 446719), (312, 412356), (336, 382902), (364, 353448), (416, 309267), (468, 274904), (504, 255268), (546, 235632), (624, 206178), (672, 191451), (728, 176724), (819, 157088), (936, 137452), (1008, 127634), (1092, 117816), (1248, 103089), (1456, 88362), (1638, 78544), (1872, 68726), (2016, 63817), (2184, 58908), (2912, 44181), (3276, 39272), (3744, 34363), (4368, 29454), (4909, 26208), (6552, 19636), (8736, 14727), (9818, 13104)]