79281920

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2693}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 198235296

約数和(自身を除く): 118953376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2693, 2944, 3680, 5386, 5888, 7360, 10772, 13465, 14720, 21544, 26930, 29440, 43088, 53860, 61939, 86176, 107720, 123878, 172352, 215440, 247756, 309695, 344704, 430880, 495512, 619390, 689408, 861760, 991024, 1238780, 1723520, 1982048, 2477560, 3447040, 3964096, 4955120, 7928192, 9910240, 15856384, 19820480, 39640960, 79281920]

約数ペア:

[(1, 79281920), (2, 39640960), (4, 19820480), (5, 15856384), (8, 9910240), (10, 7928192), (16, 4955120), (20, 3964096), (23, 3447040), (32, 2477560), (40, 1982048), (46, 1723520), (64, 1238780), (80, 991024), (92, 861760), (115, 689408), (128, 619390), (160, 495512), (184, 430880), (230, 344704), (256, 309695), (320, 247756), (368, 215440), (460, 172352), (640, 123878), (736, 107720), (920, 86176), (1280, 61939), (1472, 53860), (1840, 43088), (2693, 29440), (2944, 26930), (3680, 21544), (5386, 14720), (5888, 13465), (7360, 10772)]