15880960

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 40103280

約数和(自身を除く): 24222320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 653, 760, 1216, 1280, 1306, 1520, 2432, 2612, 3040, 3265, 4864, 5224, 6080, 6530, 10448, 12160, 12407, 13060, 20896, 24320, 24814, 26120, 41792, 49628, 52240, 62035, 83584, 99256, 104480, 124070, 167168, 198512, 208960, 248140, 397024, 417920, 496280, 794048, 835840, 992560, 1588096, 1985120, 3176192, 3970240, 7940480, 15880960]

約数ペア:

[(1, 15880960), (2, 7940480), (4, 3970240), (5, 3176192), (8, 1985120), (10, 1588096), (16, 992560), (19, 835840), (20, 794048), (32, 496280), (38, 417920), (40, 397024), (64, 248140), (76, 208960), (80, 198512), (95, 167168), (128, 124070), (152, 104480), (160, 99256), (190, 83584), (256, 62035), (304, 52240), (320, 49628), (380, 41792), (608, 26120), (640, 24814), (653, 24320), (760, 20896), (1216, 13060), (1280, 12407), (1306, 12160), (1520, 10448), (2432, 6530), (2612, 6080), (3040, 5224), (3265, 4864)]