157937920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17627}}^1$

素因数の和:17655

約数の個数: 72

約数和(自身を含む): 432379584

約数和(自身を除く): 274441664

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, 17627, 35254, 70508, 88135, 123389, 141016, 176270, 246778, 282032, 352540, 493556, 564064, 616945, 705080, 987112, 1128128, 1233890, 1410160, 1974224, 2256256, 2467780, 2820320, 3948448, 4512512, 4935560, 5640640, 7896896, 9871120, 11281280, 15793792, 19742240, 22562560, 31587584, 39484480, 78968960, 157937920]

約数ペア:

[(1, 157937920), (2, 78968960), (4, 39484480), (5, 31587584), (7, 22562560), (8, 19742240), (10, 15793792), (14, 11281280), (16, 9871120), (20, 7896896), (28, 5640640), (32, 4935560), (35, 4512512), (40, 3948448), (56, 2820320), (64, 2467780), (70, 2256256), (80, 1974224), (112, 1410160), (128, 1233890), (140, 1128128), (160, 987112), (224, 705080), (256, 616945), (280, 564064), (320, 493556), (448, 352540), (560, 282032), (640, 246778), (896, 176270), (1120, 141016), (1280, 123389), (1792, 88135), (2240, 70508), (4480, 35254), (8960, 17627)]