647888520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5399071}}^1$

素因数の和:5399085

約数の個数: 32

約数和(自身を含む): 1943665920

約数和(自身を除く): 1295777400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5399071, 10798142, 16197213, 21596284, 26995355, 32394426, 43192568, 53990710, 64788852, 80986065, 107981420, 129577704, 161972130, 215962840, 323944260, 647888520]

約数ペア:

[(1, 647888520), (2, 323944260), (3, 215962840), (4, 161972130), (5, 129577704), (6, 107981420), (8, 80986065), (10, 64788852), (12, 53990710), (15, 43192568), (20, 32394426), (24, 26995355), (30, 21596284), (40, 16197213), (60, 10798142), (120, 5399071)]