19530240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2543}}^1$

素因数の和:2569

約数の個数: 80

約数和(自身を含む): 62460288

約数和(自身を除く): 42930048

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, 2543, 2560, 3840, 5086, 7629, 7680, 10172, 12715, 15258, 20344, 25430, 30516, 38145, 40688, 50860, 61032, 76290, 81376, 101720, 122064, 152580, 162752, 203440, 244128, 305160, 325504, 406880, 488256, 610320, 651008, 813760, 976512, 1220640, 1302016, 1627520, 1953024, 2441280, 3255040, 3906048, 4882560, 6510080, 9765120, 19530240]

約数ペア:

[(1, 19530240), (2, 9765120), (3, 6510080), (4, 4882560), (5, 3906048), (6, 3255040), (8, 2441280), (10, 1953024), (12, 1627520), (15, 1302016), (16, 1220640), (20, 976512), (24, 813760), (30, 651008), (32, 610320), (40, 488256), (48, 406880), (60, 325504), (64, 305160), (80, 244128), (96, 203440), (120, 162752), (128, 152580), (160, 122064), (192, 101720), (240, 81376), (256, 76290), (320, 61032), (384, 50860), (480, 40688), (512, 38145), (640, 30516), (768, 25430), (960, 20344), (1280, 15258), (1536, 12715), (1920, 10172), (2543, 7680), (2560, 7629), (3840, 5086)]