72742590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{643}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 194745600

約数和(自身を除く): 122003010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 419, 643, 838, 1257, 1286, 1929, 2095, 2514, 3215, 3771, 3858, 4190, 5787, 6285, 6430, 7542, 9645, 11313, 11574, 12570, 17361, 18855, 19290, 22626, 28935, 34722, 37710, 56565, 57870, 86805, 113130, 173610, 269417, 538834, 808251, 1347085, 1616502, 2424753, 2694170, 4041255, 4849506, 7274259, 8082510, 12123765, 14548518, 24247530, 36371295, 72742590]

約数ペア:

[(1, 72742590), (2, 36371295), (3, 24247530), (5, 14548518), (6, 12123765), (9, 8082510), (10, 7274259), (15, 4849506), (18, 4041255), (27, 2694170), (30, 2424753), (45, 1616502), (54, 1347085), (90, 808251), (135, 538834), (270, 269417), (419, 173610), (643, 113130), (838, 86805), (1257, 57870), (1286, 56565), (1929, 37710), (2095, 34722), (2514, 28935), (3215, 22626), (3771, 19290), (3858, 18855), (4190, 17361), (5787, 12570), (6285, 11574), (6430, 11313), (7542, 9645)]