15938940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 28937220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1259, 1266, 2110, 2518, 2532, 3165, 3777, 4220, 5036, 6295, 6330, 7554, 12590, 12660, 15108, 18885, 25180, 37770, 75540, 265649, 531298, 796947, 1062596, 1328245, 1593894, 2656490, 3187788, 3984735, 5312980, 7969470, 15938940]

約数ペア:

[(1, 15938940), (2, 7969470), (3, 5312980), (4, 3984735), (5, 3187788), (6, 2656490), (10, 1593894), (12, 1328245), (15, 1062596), (20, 796947), (30, 531298), (60, 265649), (211, 75540), (422, 37770), (633, 25180), (844, 18885), (1055, 15108), (1259, 12660), (1266, 12590), (2110, 7554), (2518, 6330), (2532, 6295), (3165, 5036), (3777, 4220)]