256953870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{317227}}^1$

素因数の和:317246

約数の個数: 40

約数和(自身を含む): 690922584

約数和(自身を除く): 433968714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 317227, 634454, 951681, 1586135, 1903362, 2855043, 3172270, 4758405, 5710086, 8565129, 9516810, 14275215, 17130258, 25695387, 28550430, 42825645, 51390774, 85651290, 128476935, 256953870]

約数ペア:

[(1, 256953870), (2, 128476935), (3, 85651290), (5, 51390774), (6, 42825645), (9, 28550430), (10, 25695387), (15, 17130258), (18, 14275215), (27, 9516810), (30, 8565129), (45, 5710086), (54, 4758405), (81, 3172270), (90, 2855043), (135, 1903362), (162, 1586135), (270, 951681), (405, 634454), (810, 317227)]