2561518400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{228707}}^1$

素因数の和:228736

約数の個数: 84

約数和(自身を含む): 7203387168

約数和(自身を除く): 4641868768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 2240, 2800, 5600, 11200, 228707, 457414, 914828, 1143535, 1600949, 1829656, 2287070, 3201898, 3659312, 4574140, 5717675, 6403796, 7318624, 8004745, 9148280, 11435350, 12807592, 14637248, 16009490, 18296560, 22870700, 25615184, 32018980, 36593120, 40023725, 45741400, 51230368, 64037960, 73186240, 80047450, 91482800, 102460736, 128075920, 160094900, 182965600, 256151840, 320189800, 365931200, 512303680, 640379600, 1280759200, 2561518400]

約数ペア:

[(1, 2561518400), (2, 1280759200), (4, 640379600), (5, 512303680), (7, 365931200), (8, 320189800), (10, 256151840), (14, 182965600), (16, 160094900), (20, 128075920), (25, 102460736), (28, 91482800), (32, 80047450), (35, 73186240), (40, 64037960), (50, 51230368), (56, 45741400), (64, 40023725), (70, 36593120), (80, 32018980), (100, 25615184), (112, 22870700), (140, 18296560), (160, 16009490), (175, 14637248), (200, 12807592), (224, 11435350), (280, 9148280), (320, 8004745), (350, 7318624), (400, 6403796), (448, 5717675), (560, 4574140), (700, 3659312), (800, 3201898), (1120, 2287070), (1400, 1829656), (1600, 1600949), (2240, 1143535), (2800, 914828), (5600, 457414), (11200, 228707)]