405217920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211051}}^1$

素因数の和:211073

約数の個数: 64

約数和(自身を含む): 1291638240

約数和(自身を除く): 886420320

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, 320, 384, 480, 640, 960, 1920, 211051, 422102, 633153, 844204, 1055255, 1266306, 1688408, 2110510, 2532612, 3165765, 3376816, 4221020, 5065224, 6331530, 6753632, 8442040, 10130448, 12663060, 13507264, 16884080, 20260896, 25326120, 27014528, 33768160, 40521792, 50652240, 67536320, 81043584, 101304480, 135072640, 202608960, 405217920]

約数ペア:

[(1, 405217920), (2, 202608960), (3, 135072640), (4, 101304480), (5, 81043584), (6, 67536320), (8, 50652240), (10, 40521792), (12, 33768160), (15, 27014528), (16, 25326120), (20, 20260896), (24, 16884080), (30, 13507264), (32, 12663060), (40, 10130448), (48, 8442040), (60, 6753632), (64, 6331530), (80, 5065224), (96, 4221020), (120, 3376816), (128, 3165765), (160, 2532612), (192, 2110510), (240, 1688408), (320, 1266306), (384, 1055255), (480, 844204), (640, 633153), (960, 422102), (1920, 211051)]