121747840

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 292939920

約数和(自身を除く): 171192080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 640, 724, 905, 1051, 1448, 1810, 2102, 2896, 3620, 4204, 5255, 5792, 7240, 8408, 10510, 11584, 14480, 16816, 21020, 23168, 28960, 33632, 42040, 57920, 67264, 84080, 115840, 134528, 168160, 190231, 336320, 380462, 672640, 760924, 951155, 1521848, 1902310, 3043696, 3804620, 6087392, 7609240, 12174784, 15218480, 24349568, 30436960, 60873920, 121747840]

約数ペア:

[(1, 121747840), (2, 60873920), (4, 30436960), (5, 24349568), (8, 15218480), (10, 12174784), (16, 7609240), (20, 6087392), (32, 3804620), (40, 3043696), (64, 1902310), (80, 1521848), (128, 951155), (160, 760924), (181, 672640), (320, 380462), (362, 336320), (640, 190231), (724, 168160), (905, 134528), (1051, 115840), (1448, 84080), (1810, 67264), (2102, 57920), (2896, 42040), (3620, 33632), (4204, 28960), (5255, 23168), (5792, 21020), (7240, 16816), (8408, 14480), (10510, 11584)]