1620480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{211}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 5205024

約数和(自身を除く): 3584544

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, 211, 240, 256, 320, 384, 422, 480, 512, 633, 640, 768, 844, 960, 1055, 1266, 1280, 1536, 1688, 1920, 2110, 2532, 2560, 3165, 3376, 3840, 4220, 5064, 6330, 6752, 7680, 8440, 10128, 12660, 13504, 16880, 20256, 25320, 27008, 33760, 40512, 50640, 54016, 67520, 81024, 101280, 108032, 135040, 162048, 202560, 270080, 324096, 405120, 540160, 810240, 1620480]

約数ペア:

[(1, 1620480), (2, 810240), (3, 540160), (4, 405120), (5, 324096), (6, 270080), (8, 202560), (10, 162048), (12, 135040), (15, 108032), (16, 101280), (20, 81024), (24, 67520), (30, 54016), (32, 50640), (40, 40512), (48, 33760), (60, 27008), (64, 25320), (80, 20256), (96, 16880), (120, 13504), (128, 12660), (160, 10128), (192, 8440), (211, 7680), (240, 6752), (256, 6330), (320, 5064), (384, 4220), (422, 3840), (480, 3376), (512, 3165), (633, 2560), (640, 2532), (768, 2110), (844, 1920), (960, 1688), (1055, 1536), (1266, 1280)]