215712

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{107}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 707616

約数和(自身を除く): 491904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 107, 112, 126, 144, 168, 214, 224, 252, 288, 321, 336, 428, 504, 642, 672, 749, 856, 963, 1008, 1284, 1498, 1712, 1926, 2016, 2247, 2568, 2996, 3424, 3852, 4494, 5136, 5992, 6741, 7704, 8988, 10272, 11984, 13482, 15408, 17976, 23968, 26964, 30816, 35952, 53928, 71904, 107856, 215712]

約数ペア:

[(1, 215712), (2, 107856), (3, 71904), (4, 53928), (6, 35952), (7, 30816), (8, 26964), (9, 23968), (12, 17976), (14, 15408), (16, 13482), (18, 11984), (21, 10272), (24, 8988), (28, 7704), (32, 6741), (36, 5992), (42, 5136), (48, 4494), (56, 3852), (63, 3424), (72, 2996), (84, 2568), (96, 2247), (107, 2016), (112, 1926), (126, 1712), (144, 1498), (168, 1284), (214, 1008), (224, 963), (252, 856), (288, 749), (321, 672), (336, 642), (428, 504)]