72600780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172859}}^1$

素因数の和:172878

約数の個数: 48

約数和(自身を含む): 232323840

約数和(自身を除く): 159723060

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, 420, 172859, 345718, 518577, 691436, 864295, 1037154, 1210013, 1728590, 2074308, 2420026, 2592885, 3457180, 3630039, 4840052, 5185770, 6050065, 7260078, 10371540, 12100130, 14520156, 18150195, 24200260, 36300390, 72600780]

約数ペア:

[(1, 72600780), (2, 36300390), (3, 24200260), (4, 18150195), (5, 14520156), (6, 12100130), (7, 10371540), (10, 7260078), (12, 6050065), (14, 5185770), (15, 4840052), (20, 3630039), (21, 3457180), (28, 2592885), (30, 2420026), (35, 2074308), (42, 1728590), (60, 1210013), (70, 1037154), (84, 864295), (105, 691436), (140, 518577), (210, 345718), (420, 172859)]