31451520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{16381}}^1$

素因数の和:16403

約数の個数: 64

約数和(自身を含む): 100257840

約数和(自身を除く): 68806320

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, 16381, 32762, 49143, 65524, 81905, 98286, 131048, 163810, 196572, 245715, 262096, 327620, 393144, 491430, 524192, 655240, 786288, 982860, 1048384, 1310480, 1572576, 1965720, 2096768, 2620960, 3145152, 3931440, 5241920, 6290304, 7862880, 10483840, 15725760, 31451520]

約数ペア:

[(1, 31451520), (2, 15725760), (3, 10483840), (4, 7862880), (5, 6290304), (6, 5241920), (8, 3931440), (10, 3145152), (12, 2620960), (15, 2096768), (16, 1965720), (20, 1572576), (24, 1310480), (30, 1048384), (32, 982860), (40, 786288), (48, 655240), (60, 524192), (64, 491430), (80, 393144), (96, 327620), (120, 262096), (128, 245715), (160, 196572), (192, 163810), (240, 131048), (320, 98286), (384, 81905), (480, 65524), (640, 49143), (960, 32762), (1920, 16381)]