251368680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19577}}^1$

素因数の和:19698

約数の個数: 64

約数和(自身を含む): 761192640

約数和(自身を除く): 509823960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 19577, 39154, 58731, 78308, 97885, 117462, 156616, 195770, 234924, 293655, 391540, 469848, 587310, 783080, 1174620, 2094739, 2349240, 4189478, 6284217, 8378956, 10473695, 12568434, 16757912, 20947390, 25136868, 31421085, 41894780, 50273736, 62842170, 83789560, 125684340, 251368680]

約数ペア:

[(1, 251368680), (2, 125684340), (3, 83789560), (4, 62842170), (5, 50273736), (6, 41894780), (8, 31421085), (10, 25136868), (12, 20947390), (15, 16757912), (20, 12568434), (24, 10473695), (30, 8378956), (40, 6284217), (60, 4189478), (107, 2349240), (120, 2094739), (214, 1174620), (321, 783080), (428, 587310), (535, 469848), (642, 391540), (856, 293655), (1070, 234924), (1284, 195770), (1605, 156616), (2140, 117462), (2568, 97885), (3210, 78308), (4280, 58731), (6420, 39154), (12840, 19577)]