128679480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15541}}^1$

素因数の和:15581

約数の個数: 96

約数和(自身を含む): 436419360

約数和(自身を除く): 307739880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 15541, 31082, 46623, 62164, 77705, 93246, 124328, 139869, 155410, 186492, 233115, 279738, 310820, 357443, 372984, 466230, 559476, 621640, 699345, 714886, 932460, 1072329, 1118952, 1398690, 1429772, 1787215, 1864920, 2144658, 2797380, 2859544, 3216987, 3574430, 4289316, 5361645, 5594760, 6433974, 7148860, 8578632, 10723290, 12867948, 14297720, 16084935, 21446580, 25735896, 32169870, 42893160, 64339740, 128679480]

約数ペア:

[(1, 128679480), (2, 64339740), (3, 42893160), (4, 32169870), (5, 25735896), (6, 21446580), (8, 16084935), (9, 14297720), (10, 12867948), (12, 10723290), (15, 8578632), (18, 7148860), (20, 6433974), (23, 5594760), (24, 5361645), (30, 4289316), (36, 3574430), (40, 3216987), (45, 2859544), (46, 2797380), (60, 2144658), (69, 1864920), (72, 1787215), (90, 1429772), (92, 1398690), (115, 1118952), (120, 1072329), (138, 932460), (180, 714886), (184, 699345), (207, 621640), (230, 559476), (276, 466230), (345, 372984), (360, 357443), (414, 310820), (460, 279738), (552, 233115), (690, 186492), (828, 155410), (920, 139869), (1035, 124328), (1380, 93246), (1656, 77705), (2070, 62164), (2760, 46623), (4140, 31082), (8280, 15541)]