87690880

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 211072680

約数和(自身を除く): 123381800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 640, 724, 757, 905, 1448, 1514, 1810, 2896, 3028, 3620, 3785, 5792, 6056, 7240, 7570, 11584, 12112, 14480, 15140, 23168, 24224, 28960, 30280, 48448, 57920, 60560, 96896, 115840, 121120, 137017, 242240, 274034, 484480, 548068, 685085, 1096136, 1370170, 2192272, 2740340, 4384544, 5480680, 8769088, 10961360, 17538176, 21922720, 43845440, 87690880]

約数ペア:

[(1, 87690880), (2, 43845440), (4, 21922720), (5, 17538176), (8, 10961360), (10, 8769088), (16, 5480680), (20, 4384544), (32, 2740340), (40, 2192272), (64, 1370170), (80, 1096136), (128, 685085), (160, 548068), (181, 484480), (320, 274034), (362, 242240), (640, 137017), (724, 121120), (757, 115840), (905, 96896), (1448, 60560), (1514, 57920), (1810, 48448), (2896, 30280), (3028, 28960), (3620, 24224), (3785, 23168), (5792, 15140), (6056, 14480), (7240, 12112), (7570, 11584)]