15390080

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 37270800

約数和(自身を除く): 21880720

約数列:

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

約数ペア:

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