81900360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227501}}^1$

素因数の和:227518

約数の個数: 48

約数和(自身を含む): 266177340

約数和(自身を除く): 184276980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227501, 455002, 682503, 910004, 1137505, 1365006, 1820008, 2047509, 2275010, 2730012, 3412515, 4095018, 4550020, 5460024, 6825030, 8190036, 9100040, 10237545, 13650060, 16380072, 20475090, 27300120, 40950180, 81900360]

約数ペア:

[(1, 81900360), (2, 40950180), (3, 27300120), (4, 20475090), (5, 16380072), (6, 13650060), (8, 10237545), (9, 9100040), (10, 8190036), (12, 6825030), (15, 5460024), (18, 4550020), (20, 4095018), (24, 3412515), (30, 2730012), (36, 2275010), (40, 2047509), (45, 1820008), (60, 1365006), (72, 1137505), (90, 910004), (120, 682503), (180, 455002), (360, 227501)]