1921433600

素因数分解:

$2^{14}\times 5^2\times {\mathrm{4691}}^1$

素因数の和:4729

約数の個数: 90

約数和(自身を含む): 4766025684

約数和(自身を除く): 2844592084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2048, 2560, 3200, 4096, 4691, 5120, 6400, 8192, 9382, 10240, 12800, 16384, 18764, 20480, 23455, 25600, 37528, 40960, 46910, 51200, 75056, 81920, 93820, 102400, 117275, 150112, 187640, 204800, 234550, 300224, 375280, 409600, 469100, 600448, 750560, 938200, 1200896, 1501120, 1876400, 2401792, 3002240, 3752800, 4803584, 6004480, 7505600, 9607168, 12008960, 15011200, 19214336, 24017920, 30022400, 38428672, 48035840, 60044800, 76857344, 96071680, 120089600, 192143360, 240179200, 384286720, 480358400, 960716800, 1921433600]

約数ペア:

[(1, 1921433600), (2, 960716800), (4, 480358400), (5, 384286720), (8, 240179200), (10, 192143360), (16, 120089600), (20, 96071680), (25, 76857344), (32, 60044800), (40, 48035840), (50, 38428672), (64, 30022400), (80, 24017920), (100, 19214336), (128, 15011200), (160, 12008960), (200, 9607168), (256, 7505600), (320, 6004480), (400, 4803584), (512, 3752800), (640, 3002240), (800, 2401792), (1024, 1876400), (1280, 1501120), (1600, 1200896), (2048, 938200), (2560, 750560), (3200, 600448), (4096, 469100), (4691, 409600), (5120, 375280), (6400, 300224), (8192, 234550), (9382, 204800), (10240, 187640), (12800, 150112), (16384, 117275), (18764, 102400), (20480, 93820), (23455, 81920), (25600, 75056), (37528, 51200), (40960, 46910)]