257831820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14767}}^1$

素因数の和:14879

約数の個数: 72

約数和(自身を含む): 790206144

約数和(自身を除く): 532374324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 14767, 17460, 29534, 44301, 59068, 73835, 88602, 132903, 147670, 177204, 221505, 265806, 295340, 443010, 531612, 664515, 886020, 1329030, 1432399, 2658060, 2864798, 4297197, 5729596, 7161995, 8594394, 12891591, 14323990, 17188788, 21485985, 25783182, 28647980, 42971970, 51566364, 64457955, 85943940, 128915910, 257831820]

約数ペア:

[(1, 257831820), (2, 128915910), (3, 85943940), (4, 64457955), (5, 51566364), (6, 42971970), (9, 28647980), (10, 25783182), (12, 21485985), (15, 17188788), (18, 14323990), (20, 12891591), (30, 8594394), (36, 7161995), (45, 5729596), (60, 4297197), (90, 2864798), (97, 2658060), (180, 1432399), (194, 1329030), (291, 886020), (388, 664515), (485, 531612), (582, 443010), (873, 295340), (970, 265806), (1164, 221505), (1455, 177204), (1746, 147670), (1940, 132903), (2910, 88602), (3492, 73835), (4365, 59068), (5820, 44301), (8730, 29534), (14767, 17460)]