261607680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{22709}}^1$

素因数の和:22736

約数の個数: 108

約数和(自身を含む): 905175180

約数和(自身を除く): 643567500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 22709, 45418, 68127, 90836, 113545, 136254, 181672, 204381, 227090, 272508, 340635, 363344, 408762, 454180, 545016, 681270, 726688, 817524, 908360, 1021905, 1090032, 1362540, 1453376, 1635048, 1816720, 2043810, 2180064, 2725080, 2906752, 3270096, 3633440, 4087620, 4360128, 5450160, 5813504, 6540192, 7266880, 8175240, 8720256, 10900320, 13080384, 14533760, 16350480, 17440512, 21800640, 26160768, 29067520, 32700960, 43601280, 52321536, 65401920, 87202560, 130803840, 261607680]

約数ペア:

[(1, 261607680), (2, 130803840), (3, 87202560), (4, 65401920), (5, 52321536), (6, 43601280), (8, 32700960), (9, 29067520), (10, 26160768), (12, 21800640), (15, 17440512), (16, 16350480), (18, 14533760), (20, 13080384), (24, 10900320), (30, 8720256), (32, 8175240), (36, 7266880), (40, 6540192), (45, 5813504), (48, 5450160), (60, 4360128), (64, 4087620), (72, 3633440), (80, 3270096), (90, 2906752), (96, 2725080), (120, 2180064), (128, 2043810), (144, 1816720), (160, 1635048), (180, 1453376), (192, 1362540), (240, 1090032), (256, 1021905), (288, 908360), (320, 817524), (360, 726688), (384, 681270), (480, 545016), (576, 454180), (640, 408762), (720, 363344), (768, 340635), (960, 272508), (1152, 227090), (1280, 204381), (1440, 181672), (1920, 136254), (2304, 113545), (2880, 90836), (3840, 68127), (5760, 45418), (11520, 22709)]