2140391680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{238883}}^1$

素因数の和:238911

約数の個数: 72

約数和(自身を含む): 5859346752

約数和(自身を除く): 3718955072

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, 4480, 8960, 238883, 477766, 955532, 1194415, 1672181, 1911064, 2388830, 3344362, 3822128, 4777660, 6688724, 7644256, 8360905, 9555320, 13377448, 15288512, 16721810, 19110640, 26754896, 30577024, 33443620, 38221280, 53509792, 61154048, 66887240, 76442560, 107019584, 133774480, 152885120, 214039168, 267548960, 305770240, 428078336, 535097920, 1070195840, 2140391680]

約数ペア:

[(1, 2140391680), (2, 1070195840), (4, 535097920), (5, 428078336), (7, 305770240), (8, 267548960), (10, 214039168), (14, 152885120), (16, 133774480), (20, 107019584), (28, 76442560), (32, 66887240), (35, 61154048), (40, 53509792), (56, 38221280), (64, 33443620), (70, 30577024), (80, 26754896), (112, 19110640), (128, 16721810), (140, 15288512), (160, 13377448), (224, 9555320), (256, 8360905), (280, 7644256), (320, 6688724), (448, 4777660), (560, 3822128), (640, 3344362), (896, 2388830), (1120, 1911064), (1280, 1672181), (1792, 1194415), (2240, 955532), (4480, 477766), (8960, 238883)]