256562430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127643}}^1$

素因数の和:127720

約数の個数: 32

約数和(自身を含む): 624945024

約数和(自身を除く): 368382594

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 127643, 255286, 382929, 638215, 765858, 1276430, 1914645, 3829290, 8552081, 17104162, 25656243, 42760405, 51312486, 85520810, 128281215, 256562430]

約数ペア:

[(1, 256562430), (2, 128281215), (3, 85520810), (5, 51312486), (6, 42760405), (10, 25656243), (15, 17104162), (30, 8552081), (67, 3829290), (134, 1914645), (201, 1276430), (335, 765858), (402, 638215), (670, 382929), (1005, 255286), (2010, 127643)]