388200720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1617503}}^1$

素因数の和:1617519

約数の個数: 40

約数和(自身を含む): 1203422976

約数和(自身を除く): 815222256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1617503, 3235006, 4852509, 6470012, 8087515, 9705018, 12940024, 16175030, 19410036, 24262545, 25880048, 32350060, 38820072, 48525090, 64700120, 77640144, 97050180, 129400240, 194100360, 388200720]

約数ペア:

[(1, 388200720), (2, 194100360), (3, 129400240), (4, 97050180), (5, 77640144), (6, 64700120), (8, 48525090), (10, 38820072), (12, 32350060), (15, 25880048), (16, 24262545), (20, 19410036), (24, 16175030), (30, 12940024), (40, 9705018), (48, 8087515), (60, 6470012), (80, 4852509), (120, 3235006), (240, 1617503)]