178142720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{9941}}^1$

素因数の和:9971

約数の個数: 80

約数和(自身を含む): 488191968

約数和(自身を除く): 310049248

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, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 9941, 17920, 19882, 39764, 49705, 69587, 79528, 99410, 139174, 159056, 198820, 278348, 318112, 347935, 397640, 556696, 636224, 695870, 795280, 1113392, 1272448, 1391740, 1590560, 2226784, 2544896, 2783480, 3181120, 4453568, 5089792, 5566960, 6362240, 8907136, 11133920, 12724480, 17814272, 22267840, 25448960, 35628544, 44535680, 89071360, 178142720]

約数ペア:

[(1, 178142720), (2, 89071360), (4, 44535680), (5, 35628544), (7, 25448960), (8, 22267840), (10, 17814272), (14, 12724480), (16, 11133920), (20, 8907136), (28, 6362240), (32, 5566960), (35, 5089792), (40, 4453568), (56, 3181120), (64, 2783480), (70, 2544896), (80, 2226784), (112, 1590560), (128, 1391740), (140, 1272448), (160, 1113392), (224, 795280), (256, 695870), (280, 636224), (320, 556696), (448, 397640), (512, 347935), (560, 318112), (640, 278348), (896, 198820), (1120, 159056), (1280, 139174), (1792, 99410), (2240, 79528), (2560, 69587), (3584, 49705), (4480, 39764), (8960, 19882), (9941, 17920)]