161963520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{21089}}^1$

素因数の和:21115

約数の個数: 80

約数和(自身を含む): 517801680

約数和(自身を除く): 355838160

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, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 21089, 42178, 63267, 84356, 105445, 126534, 168712, 210890, 253068, 316335, 337424, 421780, 506136, 632670, 674848, 843560, 1012272, 1265340, 1349696, 1687120, 2024544, 2530680, 2699392, 3374240, 4049088, 5061360, 5398784, 6748480, 8098176, 10122720, 10797568, 13496960, 16196352, 20245440, 26993920, 32392704, 40490880, 53987840, 80981760, 161963520]

約数ペア:

[(1, 161963520), (2, 80981760), (3, 53987840), (4, 40490880), (5, 32392704), (6, 26993920), (8, 20245440), (10, 16196352), (12, 13496960), (15, 10797568), (16, 10122720), (20, 8098176), (24, 6748480), (30, 5398784), (32, 5061360), (40, 4049088), (48, 3374240), (60, 2699392), (64, 2530680), (80, 2024544), (96, 1687120), (120, 1349696), (128, 1265340), (160, 1012272), (192, 843560), (240, 674848), (256, 632670), (320, 506136), (384, 421780), (480, 337424), (512, 316335), (640, 253068), (768, 210890), (960, 168712), (1280, 126534), (1536, 105445), (1920, 84356), (2560, 63267), (3840, 42178), (7680, 21089)]