620891520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{323381}}^1$

素因数の和:323403

約数の個数: 64

約数和(自身を含む): 1979097840

約数和(自身を除く): 1358206320

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, 323381, 646762, 970143, 1293524, 1616905, 1940286, 2587048, 3233810, 3880572, 4850715, 5174096, 6467620, 7761144, 9701430, 10348192, 12935240, 15522288, 19402860, 20696384, 25870480, 31044576, 38805720, 41392768, 51740960, 62089152, 77611440, 103481920, 124178304, 155222880, 206963840, 310445760, 620891520]

約数ペア:

[(1, 620891520), (2, 310445760), (3, 206963840), (4, 155222880), (5, 124178304), (6, 103481920), (8, 77611440), (10, 62089152), (12, 51740960), (15, 41392768), (16, 38805720), (20, 31044576), (24, 25870480), (30, 20696384), (32, 19402860), (40, 15522288), (48, 12935240), (60, 10348192), (64, 9701430), (80, 7761144), (96, 6467620), (120, 5174096), (128, 4850715), (160, 3880572), (192, 3233810), (240, 2587048), (320, 1940286), (384, 1616905), (480, 1293524), (640, 970143), (960, 646762), (1920, 323381)]