7768960

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 18972000

約数和(自身を除く): 11203040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 199, 244, 305, 320, 398, 488, 610, 640, 796, 976, 995, 1220, 1592, 1952, 1990, 2440, 3184, 3904, 3980, 4880, 6368, 7808, 7960, 9760, 12139, 12736, 15920, 19520, 24278, 25472, 31840, 39040, 48556, 60695, 63680, 97112, 121390, 127360, 194224, 242780, 388448, 485560, 776896, 971120, 1553792, 1942240, 3884480, 7768960]

約数ペア:

[(1, 7768960), (2, 3884480), (4, 1942240), (5, 1553792), (8, 971120), (10, 776896), (16, 485560), (20, 388448), (32, 242780), (40, 194224), (61, 127360), (64, 121390), (80, 97112), (122, 63680), (128, 60695), (160, 48556), (199, 39040), (244, 31840), (305, 25472), (320, 24278), (398, 19520), (488, 15920), (610, 12736), (640, 12139), (796, 9760), (976, 7960), (995, 7808), (1220, 6368), (1592, 4880), (1952, 3980), (1990, 3904), (2440, 3184)]