31730560

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 77687280

約数和(自身を除く): 45956720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1153, 1376, 1720, 2306, 2752, 3440, 4612, 5504, 5765, 6880, 9224, 11530, 13760, 18448, 23060, 27520, 36896, 46120, 49579, 73792, 92240, 99158, 147584, 184480, 198316, 247895, 368960, 396632, 495790, 737920, 793264, 991580, 1586528, 1983160, 3173056, 3966320, 6346112, 7932640, 15865280, 31730560]

約数ペア:

[(1, 31730560), (2, 15865280), (4, 7932640), (5, 6346112), (8, 3966320), (10, 3173056), (16, 1983160), (20, 1586528), (32, 991580), (40, 793264), (43, 737920), (64, 495790), (80, 396632), (86, 368960), (128, 247895), (160, 198316), (172, 184480), (215, 147584), (320, 99158), (344, 92240), (430, 73792), (640, 49579), (688, 46120), (860, 36896), (1153, 27520), (1376, 23060), (1720, 18448), (2306, 13760), (2752, 11530), (3440, 9224), (4612, 6880), (5504, 5765)]