121517360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 301320000

約数和(自身を除く): 179802640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 340, 398, 449, 680, 796, 898, 995, 1360, 1592, 1796, 1990, 2245, 3184, 3383, 3592, 3980, 4490, 6766, 7184, 7633, 7960, 8980, 13532, 15266, 15920, 16915, 17960, 27064, 30532, 33830, 35920, 38165, 54128, 61064, 67660, 76330, 89351, 122128, 135320, 152660, 178702, 270640, 305320, 357404, 446755, 610640, 714808, 893510, 1429616, 1518967, 1787020, 3037934, 3574040, 6075868, 7148080, 7594835, 12151736, 15189670, 24303472, 30379340, 60758680, 121517360]

約数ペア:

[(1, 121517360), (2, 60758680), (4, 30379340), (5, 24303472), (8, 15189670), (10, 12151736), (16, 7594835), (17, 7148080), (20, 6075868), (34, 3574040), (40, 3037934), (68, 1787020), (80, 1518967), (85, 1429616), (136, 893510), (170, 714808), (199, 610640), (272, 446755), (340, 357404), (398, 305320), (449, 270640), (680, 178702), (796, 152660), (898, 135320), (995, 122128), (1360, 89351), (1592, 76330), (1796, 67660), (1990, 61064), (2245, 54128), (3184, 38165), (3383, 35920), (3592, 33830), (3980, 30532), (4490, 27064), (6766, 17960), (7184, 16915), (7633, 15920), (7960, 15266), (8980, 13532)]