30780160

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 74687760

約数和(自身を除く): 43907600

約数列:

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

約数ペア:

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