28501760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3181}}^1$

素因数の和:3209

約数の個数: 72

約数和(自身を含む): 78048096

約数和(自身を除く): 49546336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 3181, 4480, 6362, 8960, 12724, 15905, 22267, 25448, 31810, 44534, 50896, 63620, 89068, 101792, 111335, 127240, 178136, 203584, 222670, 254480, 356272, 407168, 445340, 508960, 712544, 814336, 890680, 1017920, 1425088, 1781360, 2035840, 2850176, 3562720, 4071680, 5700352, 7125440, 14250880, 28501760]

約数ペア:

[(1, 28501760), (2, 14250880), (4, 7125440), (5, 5700352), (7, 4071680), (8, 3562720), (10, 2850176), (14, 2035840), (16, 1781360), (20, 1425088), (28, 1017920), (32, 890680), (35, 814336), (40, 712544), (56, 508960), (64, 445340), (70, 407168), (80, 356272), (112, 254480), (128, 222670), (140, 203584), (160, 178136), (224, 127240), (256, 111335), (280, 101792), (320, 89068), (448, 63620), (560, 50896), (640, 44534), (896, 31810), (1120, 25448), (1280, 22267), (1792, 15905), (2240, 12724), (3181, 8960), (4480, 6362)]