1320720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5503}}^1$

素因数の和:5519

約数の個数: 40

約数和(自身を含む): 4094976

約数和(自身を除く): 2774256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5503, 11006, 16509, 22012, 27515, 33018, 44024, 55030, 66036, 82545, 88048, 110060, 132072, 165090, 220120, 264144, 330180, 440240, 660360, 1320720]

約数ペア:

[(1, 1320720), (2, 660360), (3, 440240), (4, 330180), (5, 264144), (6, 220120), (8, 165090), (10, 132072), (12, 110060), (15, 88048), (16, 82545), (20, 66036), (24, 55030), (30, 44024), (40, 33018), (48, 27515), (60, 22012), (80, 16509), (120, 11006), (240, 5503)]