81161280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28181}}^1$

素因数の和:28204

約数の個数: 84

約数和(自身を含む): 279170892

約数和(自身を除く): 198009612

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, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28181, 56362, 84543, 112724, 140905, 169086, 225448, 253629, 281810, 338172, 422715, 450896, 507258, 563620, 676344, 845430, 901792, 1014516, 1127240, 1268145, 1352688, 1690860, 1803584, 2029032, 2254480, 2536290, 2705376, 3381720, 4058064, 4508960, 5072580, 5410752, 6763440, 8116128, 9017920, 10145160, 13526880, 16232256, 20290320, 27053760, 40580640, 81161280]

約数ペア:

[(1, 81161280), (2, 40580640), (3, 27053760), (4, 20290320), (5, 16232256), (6, 13526880), (8, 10145160), (9, 9017920), (10, 8116128), (12, 6763440), (15, 5410752), (16, 5072580), (18, 4508960), (20, 4058064), (24, 3381720), (30, 2705376), (32, 2536290), (36, 2254480), (40, 2029032), (45, 1803584), (48, 1690860), (60, 1352688), (64, 1268145), (72, 1127240), (80, 1014516), (90, 901792), (96, 845430), (120, 676344), (144, 563620), (160, 507258), (180, 450896), (192, 422715), (240, 338172), (288, 281810), (320, 253629), (360, 225448), (480, 169086), (576, 140905), (720, 112724), (960, 84543), (1440, 56362), (2880, 28181)]