71717120

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 175914816

約数和(自身を除く): 104197696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1303, 1376, 1720, 2606, 2752, 3440, 5212, 5504, 6515, 6880, 10424, 11008, 13030, 13760, 20848, 26060, 27520, 41696, 52120, 55040, 56029, 83392, 104240, 112058, 166784, 208480, 224116, 280145, 333568, 416960, 448232, 560290, 833920, 896464, 1120580, 1667840, 1792928, 2241160, 3585856, 4482320, 7171712, 8964640, 14343424, 17929280, 35858560, 71717120]

約数ペア:

[(1, 71717120), (2, 35858560), (4, 17929280), (5, 14343424), (8, 8964640), (10, 7171712), (16, 4482320), (20, 3585856), (32, 2241160), (40, 1792928), (43, 1667840), (64, 1120580), (80, 896464), (86, 833920), (128, 560290), (160, 448232), (172, 416960), (215, 333568), (256, 280145), (320, 224116), (344, 208480), (430, 166784), (640, 112058), (688, 104240), (860, 83392), (1280, 56029), (1303, 55040), (1376, 52120), (1720, 41696), (2606, 27520), (2752, 26060), (3440, 20848), (5212, 13760), (5504, 13030), (6515, 11008), (6880, 10424)]