251520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 807840

約数和(自身を除く): 556320

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, 131, 160, 192, 240, 262, 320, 384, 393, 480, 524, 640, 655, 786, 960, 1048, 1310, 1572, 1920, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 7860, 8384, 10480, 12576, 15720, 16768, 20960, 25152, 31440, 41920, 50304, 62880, 83840, 125760, 251520]

約数ペア:

[(1, 251520), (2, 125760), (3, 83840), (4, 62880), (5, 50304), (6, 41920), (8, 31440), (10, 25152), (12, 20960), (15, 16768), (16, 15720), (20, 12576), (24, 10480), (30, 8384), (32, 7860), (40, 6288), (48, 5240), (60, 4192), (64, 3930), (80, 3144), (96, 2620), (120, 2096), (128, 1965), (131, 1920), (160, 1572), (192, 1310), (240, 1048), (262, 960), (320, 786), (384, 655), (393, 640), (480, 524)]