87861760

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4903}}^1$

素因数の和:4933

約数の個数: 80

約数和(自身を含む): 240806016

約数和(自身を除く): 152944256

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 4903, 8960, 9806, 17920, 19612, 24515, 34321, 39224, 49030, 68642, 78448, 98060, 137284, 156896, 171605, 196120, 274568, 313792, 343210, 392240, 549136, 627584, 686420, 784480, 1098272, 1255168, 1372840, 1568960, 2196544, 2510336, 2745680, 3137920, 4393088, 5491360, 6275840, 8786176, 10982720, 12551680, 17572352, 21965440, 43930880, 87861760]

約数ペア:

[(1, 87861760), (2, 43930880), (4, 21965440), (5, 17572352), (7, 12551680), (8, 10982720), (10, 8786176), (14, 6275840), (16, 5491360), (20, 4393088), (28, 3137920), (32, 2745680), (35, 2510336), (40, 2196544), (56, 1568960), (64, 1372840), (70, 1255168), (80, 1098272), (112, 784480), (128, 686420), (140, 627584), (160, 549136), (224, 392240), (256, 343210), (280, 313792), (320, 274568), (448, 196120), (512, 171605), (560, 156896), (640, 137284), (896, 98060), (1120, 78448), (1280, 68642), (1792, 49030), (2240, 39224), (2560, 34321), (3584, 24515), (4480, 19612), (4903, 17920), (8960, 9806)]