64646040720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269358503}}^1$

素因数の和:269358519

約数の個数: 40

約数和(自身を含む): 200402726976

約数和(自身を除く): 135756686256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269358503, 538717006, 808075509, 1077434012, 1346792515, 1616151018, 2154868024, 2693585030, 3232302036, 4040377545, 4309736048, 5387170060, 6464604072, 8080755090, 10774340120, 12929208144, 16161510180, 21548680240, 32323020360, 64646040720]

約数ペア:

[(1, 64646040720), (2, 32323020360), (3, 21548680240), (4, 16161510180), (5, 12929208144), (6, 10774340120), (8, 8080755090), (10, 6464604072), (12, 5387170060), (15, 4309736048), (16, 4040377545), (20, 3232302036), (24, 2693585030), (30, 2154868024), (40, 1616151018), (48, 1346792515), (60, 1077434012), (80, 808075509), (120, 538717006), (240, 269358503)]