181638660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1723}}^1$

素因数の和:1993

約数の個数: 96

約数和(自身を含む): 583898112

約数和(自身を除く): 402259452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 753, 1004, 1255, 1506, 1723, 1757, 2510, 3012, 3446, 3514, 3765, 5020, 5169, 5271, 6892, 7028, 7530, 8615, 8785, 10338, 10542, 12061, 15060, 17230, 17570, 20676, 21084, 24122, 25845, 26355, 34460, 35140, 36183, 48244, 51690, 52710, 60305, 72366, 103380, 105420, 120610, 144732, 180915, 241220, 361830, 432473, 723660, 864946, 1297419, 1729892, 2162365, 2594838, 3027311, 4324730, 5189676, 6054622, 6487095, 8649460, 9081933, 12109244, 12974190, 15136555, 18163866, 25948380, 30273110, 36327732, 45409665, 60546220, 90819330, 181638660]

約数ペア:

[(1, 181638660), (2, 90819330), (3, 60546220), (4, 45409665), (5, 36327732), (6, 30273110), (7, 25948380), (10, 18163866), (12, 15136555), (14, 12974190), (15, 12109244), (20, 9081933), (21, 8649460), (28, 6487095), (30, 6054622), (35, 5189676), (42, 4324730), (60, 3027311), (70, 2594838), (84, 2162365), (105, 1729892), (140, 1297419), (210, 864946), (251, 723660), (420, 432473), (502, 361830), (753, 241220), (1004, 180915), (1255, 144732), (1506, 120610), (1723, 105420), (1757, 103380), (2510, 72366), (3012, 60305), (3446, 52710), (3514, 51690), (3765, 48244), (5020, 36183), (5169, 35140), (5271, 34460), (6892, 26355), (7028, 25845), (7530, 24122), (8615, 21084), (8785, 20676), (10338, 17570), (10542, 17230), (12061, 15060)]