13072640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{1459}}^1$

素因数の和:1487

約数の個数: 72

約数和(自身を含む): 35810880

約数和(自身を除く): 22738240

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, 1459, 1792, 2240, 2918, 4480, 5836, 7295, 8960, 10213, 11672, 14590, 20426, 23344, 29180, 40852, 46688, 51065, 58360, 81704, 93376, 102130, 116720, 163408, 186752, 204260, 233440, 326816, 373504, 408520, 466880, 653632, 817040, 933760, 1307264, 1634080, 1867520, 2614528, 3268160, 6536320, 13072640]

約数ペア:

[(1, 13072640), (2, 6536320), (4, 3268160), (5, 2614528), (7, 1867520), (8, 1634080), (10, 1307264), (14, 933760), (16, 817040), (20, 653632), (28, 466880), (32, 408520), (35, 373504), (40, 326816), (56, 233440), (64, 204260), (70, 186752), (80, 163408), (112, 116720), (128, 102130), (140, 93376), (160, 81704), (224, 58360), (256, 51065), (280, 46688), (320, 40852), (448, 29180), (560, 23344), (640, 20426), (896, 14590), (1120, 11672), (1280, 10213), (1459, 8960), (1792, 7295), (2240, 5836), (2918, 4480)]