5040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1$

素因数の和:26

約数の個数: 60

約数和(自身を含む): 19344

約数和(自身を除く): 14304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040]

約数ペア:

[(1, 5040), (2, 2520), (3, 1680), (4, 1260), (5, 1008), (6, 840), (7, 720), (8, 630), (9, 560), (10, 504), (12, 420), (14, 360), (15, 336), (16, 315), (18, 280), (20, 252), (21, 240), (24, 210), (28, 180), (30, 168), (35, 144), (36, 140), (40, 126), (42, 120), (45, 112), (48, 105), (56, 90), (60, 84), (63, 80), (70, 72)]