421241520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{250739}}^1$

素因数の和:250762

約数の個数: 80

約数和(自身を含む): 1492404480

約数和(自身を除く): 1071162960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 250739, 501478, 752217, 1002956, 1253695, 1504434, 1755173, 2005912, 2507390, 3008868, 3510346, 3761085, 4011824, 5014780, 5265519, 6017736, 7020692, 7522170, 8775865, 10029560, 10531038, 12035472, 14041384, 15044340, 17551730, 20059120, 21062076, 26327595, 28082768, 30088680, 35103460, 42124152, 52655190, 60177360, 70206920, 84248304, 105310380, 140413840, 210620760, 421241520]

約数ペア:

[(1, 421241520), (2, 210620760), (3, 140413840), (4, 105310380), (5, 84248304), (6, 70206920), (7, 60177360), (8, 52655190), (10, 42124152), (12, 35103460), (14, 30088680), (15, 28082768), (16, 26327595), (20, 21062076), (21, 20059120), (24, 17551730), (28, 15044340), (30, 14041384), (35, 12035472), (40, 10531038), (42, 10029560), (48, 8775865), (56, 7522170), (60, 7020692), (70, 6017736), (80, 5265519), (84, 5014780), (105, 4011824), (112, 3761085), (120, 3510346), (140, 3008868), (168, 2507390), (210, 2005912), (240, 1755173), (280, 1504434), (336, 1253695), (420, 1002956), (560, 752217), (840, 501478), (1680, 250739)]