31601920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3527}}^1$

素因数の和:3555

約数の個数: 72

約数和(自身を含む): 86534784

約数和(自身を除く): 54932864

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, 3527, 4480, 7054, 8960, 14108, 17635, 24689, 28216, 35270, 49378, 56432, 70540, 98756, 112864, 123445, 141080, 197512, 225728, 246890, 282160, 395024, 451456, 493780, 564320, 790048, 902912, 987560, 1128640, 1580096, 1975120, 2257280, 3160192, 3950240, 4514560, 6320384, 7900480, 15800960, 31601920]

約数ペア:

[(1, 31601920), (2, 15800960), (4, 7900480), (5, 6320384), (7, 4514560), (8, 3950240), (10, 3160192), (14, 2257280), (16, 1975120), (20, 1580096), (28, 1128640), (32, 987560), (35, 902912), (40, 790048), (56, 564320), (64, 493780), (70, 451456), (80, 395024), (112, 282160), (128, 246890), (140, 225728), (160, 197512), (224, 141080), (256, 123445), (280, 112864), (320, 98756), (448, 70540), (560, 56432), (640, 49378), (896, 35270), (1120, 28216), (1280, 24689), (1792, 17635), (2240, 14108), (3527, 8960), (4480, 7054)]