405120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 1297440

約数和(自身を除く): 892320

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, 320, 384, 422, 480, 633, 640, 844, 960, 1055, 1266, 1688, 1920, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 6752, 8440, 10128, 12660, 13504, 16880, 20256, 25320, 27008, 33760, 40512, 50640, 67520, 81024, 101280, 135040, 202560, 405120]

約数ペア:

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