19800960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10313}}^1$

素因数の和:10335

約数の個数: 64

約数和(自身を含む): 63121680

約数和(自身を除く): 43320720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10313, 20626, 30939, 41252, 51565, 61878, 82504, 103130, 123756, 154695, 165008, 206260, 247512, 309390, 330016, 412520, 495024, 618780, 660032, 825040, 990048, 1237560, 1320064, 1650080, 1980096, 2475120, 3300160, 3960192, 4950240, 6600320, 9900480, 19800960]

約数ペア:

[(1, 19800960), (2, 9900480), (3, 6600320), (4, 4950240), (5, 3960192), (6, 3300160), (8, 2475120), (10, 1980096), (12, 1650080), (15, 1320064), (16, 1237560), (20, 990048), (24, 825040), (30, 660032), (32, 618780), (40, 495024), (48, 412520), (60, 330016), (64, 309390), (80, 247512), (96, 206260), (120, 165008), (128, 154695), (160, 123756), (192, 103130), (240, 82504), (320, 61878), (384, 51565), (480, 41252), (640, 30939), (960, 20626), (1920, 10313)]