61560320

素因数分解:

$2^9\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 80

約数和(自身を含む): 149521680

約数和(自身を除く): 87961360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 173, 256, 278, 320, 346, 512, 556, 640, 692, 695, 865, 1112, 1280, 1384, 1390, 1730, 2224, 2560, 2768, 2780, 3460, 4448, 5536, 5560, 6920, 8896, 11072, 11120, 13840, 17792, 22144, 22240, 24047, 27680, 35584, 44288, 44480, 48094, 55360, 71168, 88576, 88960, 96188, 110720, 120235, 177920, 192376, 221440, 240470, 355840, 384752, 442880, 480940, 769504, 961880, 1539008, 1923760, 3078016, 3847520, 6156032, 7695040, 12312064, 15390080, 30780160, 61560320]

約数ペア:

[(1, 61560320), (2, 30780160), (4, 15390080), (5, 12312064), (8, 7695040), (10, 6156032), (16, 3847520), (20, 3078016), (32, 1923760), (40, 1539008), (64, 961880), (80, 769504), (128, 480940), (139, 442880), (160, 384752), (173, 355840), (256, 240470), (278, 221440), (320, 192376), (346, 177920), (512, 120235), (556, 110720), (640, 96188), (692, 88960), (695, 88576), (865, 71168), (1112, 55360), (1280, 48094), (1384, 44480), (1390, 44288), (1730, 35584), (2224, 27680), (2560, 24047), (2768, 22240), (2780, 22144), (3460, 17792), (4448, 13840), (5536, 11120), (5560, 11072), (6920, 8896)]