80944640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{4517}}^1$

素因数の和:4547

約数の個数: 80

約数和(自身を含む): 221851872

約数和(自身を除く): 140907232

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, 4517, 8960, 9034, 17920, 18068, 22585, 31619, 36136, 45170, 63238, 72272, 90340, 126476, 144544, 158095, 180680, 252952, 289088, 316190, 361360, 505904, 578176, 632380, 722720, 1011808, 1156352, 1264760, 1445440, 2023616, 2312704, 2529520, 2890880, 4047232, 5059040, 5781760, 8094464, 10118080, 11563520, 16188928, 20236160, 40472320, 80944640]

約数ペア:

[(1, 80944640), (2, 40472320), (4, 20236160), (5, 16188928), (7, 11563520), (8, 10118080), (10, 8094464), (14, 5781760), (16, 5059040), (20, 4047232), (28, 2890880), (32, 2529520), (35, 2312704), (40, 2023616), (56, 1445440), (64, 1264760), (70, 1156352), (80, 1011808), (112, 722720), (128, 632380), (140, 578176), (160, 505904), (224, 361360), (256, 316190), (280, 289088), (320, 252952), (448, 180680), (512, 158095), (560, 144544), (640, 126476), (896, 90340), (1120, 72272), (1280, 63238), (1792, 45170), (2240, 36136), (2560, 31619), (3584, 22585), (4480, 18068), (4517, 17920), (8960, 9034)]