31786240

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 80206560

約数和(自身を除く): 48420320

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, 760, 1216, 1280, 1307, 1520, 2432, 2614, 3040, 4864, 5228, 6080, 6535, 10456, 12160, 13070, 20912, 24320, 24833, 26140, 41824, 49666, 52280, 83648, 99332, 104560, 124165, 167296, 198664, 209120, 248330, 334592, 397328, 418240, 496660, 794656, 836480, 993320, 1589312, 1672960, 1986640, 3178624, 3973280, 6357248, 7946560, 15893120, 31786240]

約数ペア:

[(1, 31786240), (2, 15893120), (4, 7946560), (5, 6357248), (8, 3973280), (10, 3178624), (16, 1986640), (19, 1672960), (20, 1589312), (32, 993320), (38, 836480), (40, 794656), (64, 496660), (76, 418240), (80, 397328), (95, 334592), (128, 248330), (152, 209120), (160, 198664), (190, 167296), (256, 124165), (304, 104560), (320, 99332), (380, 83648), (608, 52280), (640, 49666), (760, 41824), (1216, 26140), (1280, 24833), (1307, 24320), (1520, 20912), (2432, 13070), (2614, 12160), (3040, 10456), (4864, 6535), (5228, 6080)]