2640750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{503}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 7547904

約数和(自身を除く): 4907154

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 503, 525, 750, 875, 1006, 1050, 1509, 1750, 2515, 2625, 3018, 3521, 5030, 5250, 7042, 7545, 10563, 12575, 15090, 17605, 21126, 25150, 35210, 37725, 52815, 62875, 75450, 88025, 105630, 125750, 176050, 188625, 264075, 377250, 440125, 528150, 880250, 1320375, 2640750]

約数ペア:

[(1, 2640750), (2, 1320375), (3, 880250), (5, 528150), (6, 440125), (7, 377250), (10, 264075), (14, 188625), (15, 176050), (21, 125750), (25, 105630), (30, 88025), (35, 75450), (42, 62875), (50, 52815), (70, 37725), (75, 35210), (105, 25150), (125, 21126), (150, 17605), (175, 15090), (210, 12575), (250, 10563), (350, 7545), (375, 7042), (503, 5250), (525, 5030), (750, 3521), (875, 3018), (1006, 2625), (1050, 2515), (1509, 1750)]