12257920

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 29743200

約数和(自身を除く): 17485280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 179, 214, 320, 358, 428, 535, 640, 716, 856, 895, 1070, 1432, 1712, 1790, 2140, 2864, 3424, 3580, 4280, 5728, 6848, 7160, 8560, 11456, 13696, 14320, 17120, 19153, 22912, 28640, 34240, 38306, 57280, 68480, 76612, 95765, 114560, 153224, 191530, 306448, 383060, 612896, 766120, 1225792, 1532240, 2451584, 3064480, 6128960, 12257920]

約数ペア:

[(1, 12257920), (2, 6128960), (4, 3064480), (5, 2451584), (8, 1532240), (10, 1225792), (16, 766120), (20, 612896), (32, 383060), (40, 306448), (64, 191530), (80, 153224), (107, 114560), (128, 95765), (160, 76612), (179, 68480), (214, 57280), (320, 38306), (358, 34240), (428, 28640), (535, 22912), (640, 19153), (716, 17120), (856, 14320), (895, 13696), (1070, 11456), (1432, 8560), (1712, 7160), (1790, 6848), (2140, 5728), (2864, 4280), (3424, 3580)]