248995920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2113}}^1$

素因数の和:2620

約数の個数: 80

約数和(自身を含む): 773825472

約数和(自身を除く): 524829552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1964, 2113, 2455, 2946, 3928, 4226, 4910, 5892, 6339, 7365, 7856, 8452, 9820, 10565, 11784, 12678, 14730, 16904, 19640, 21130, 23568, 25356, 29460, 31695, 33808, 39280, 42260, 50712, 58920, 63390, 84520, 101424, 117840, 126780, 169040, 253560, 507120, 1037483, 2074966, 3112449, 4149932, 5187415, 6224898, 8299864, 10374830, 12449796, 15562245, 16599728, 20749660, 24899592, 31124490, 41499320, 49799184, 62248980, 82998640, 124497960, 248995920]

約数ペア:

[(1, 248995920), (2, 124497960), (3, 82998640), (4, 62248980), (5, 49799184), (6, 41499320), (8, 31124490), (10, 24899592), (12, 20749660), (15, 16599728), (16, 15562245), (20, 12449796), (24, 10374830), (30, 8299864), (40, 6224898), (48, 5187415), (60, 4149932), (80, 3112449), (120, 2074966), (240, 1037483), (491, 507120), (982, 253560), (1473, 169040), (1964, 126780), (2113, 117840), (2455, 101424), (2946, 84520), (3928, 63390), (4226, 58920), (4910, 50712), (5892, 42260), (6339, 39280), (7365, 33808), (7856, 31695), (8452, 29460), (9820, 25356), (10565, 23568), (11784, 21130), (12678, 19640), (14730, 16904)]