256632320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{14321}}^1$

素因数の和:14351

約数の個数: 80

約数和(自身を含む): 703267488

約数和(自身を除く): 446635168

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, 14321, 17920, 28642, 57284, 71605, 100247, 114568, 143210, 200494, 229136, 286420, 400988, 458272, 501235, 572840, 801976, 916544, 1002470, 1145680, 1603952, 1833088, 2004940, 2291360, 3207904, 3666176, 4009880, 4582720, 6415808, 7332352, 8019760, 9165440, 12831616, 16039520, 18330880, 25663232, 32079040, 36661760, 51326464, 64158080, 128316160, 256632320]

約数ペア:

[(1, 256632320), (2, 128316160), (4, 64158080), (5, 51326464), (7, 36661760), (8, 32079040), (10, 25663232), (14, 18330880), (16, 16039520), (20, 12831616), (28, 9165440), (32, 8019760), (35, 7332352), (40, 6415808), (56, 4582720), (64, 4009880), (70, 3666176), (80, 3207904), (112, 2291360), (128, 2004940), (140, 1833088), (160, 1603952), (224, 1145680), (256, 1002470), (280, 916544), (320, 801976), (448, 572840), (512, 501235), (560, 458272), (640, 400988), (896, 286420), (1120, 229136), (1280, 200494), (1792, 143210), (2240, 114568), (2560, 100247), (3584, 71605), (4480, 57284), (8960, 28642), (14321, 17920)]