311310240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{648563}}^1$

素因数の和:648581

約数の個数: 48

約数和(自身を含む): 980628768

約数和(自身を除く): 669318528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 648563, 1297126, 1945689, 2594252, 3242815, 3891378, 5188504, 6485630, 7782756, 9728445, 10377008, 12971260, 15565512, 19456890, 20754016, 25942520, 31131024, 38913780, 51885040, 62262048, 77827560, 103770080, 155655120, 311310240]

約数ペア:

[(1, 311310240), (2, 155655120), (3, 103770080), (4, 77827560), (5, 62262048), (6, 51885040), (8, 38913780), (10, 31131024), (12, 25942520), (15, 20754016), (16, 19456890), (20, 15565512), (24, 12971260), (30, 10377008), (32, 9728445), (40, 7782756), (48, 6485630), (60, 5188504), (80, 3891378), (96, 3242815), (120, 2594252), (160, 1945689), (240, 1297126), (480, 648563)]