1662027520

素因数分解:

$2^8\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2551}}^1$

素因数の和:3081

約数の個数: 72

約数和(自身を含む): 3990460320

約数和(自身を除く): 2328432800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 509, 640, 1018, 1280, 2036, 2545, 2551, 4072, 5090, 5102, 8144, 10180, 10204, 12755, 16288, 20360, 20408, 25510, 32576, 40720, 40816, 51020, 65152, 81440, 81632, 102040, 130304, 162880, 163264, 204080, 325760, 326528, 408160, 651520, 653056, 816320, 1298459, 1632640, 2596918, 3265280, 5193836, 6492295, 10387672, 12984590, 20775344, 25969180, 41550688, 51938360, 83101376, 103876720, 166202752, 207753440, 332405504, 415506880, 831013760, 1662027520]

約数ペア:

[(1, 1662027520), (2, 831013760), (4, 415506880), (5, 332405504), (8, 207753440), (10, 166202752), (16, 103876720), (20, 83101376), (32, 51938360), (40, 41550688), (64, 25969180), (80, 20775344), (128, 12984590), (160, 10387672), (256, 6492295), (320, 5193836), (509, 3265280), (640, 2596918), (1018, 1632640), (1280, 1298459), (2036, 816320), (2545, 653056), (2551, 651520), (4072, 408160), (5090, 326528), (5102, 325760), (8144, 204080), (10180, 163264), (10204, 162880), (12755, 130304), (16288, 102040), (20360, 81632), (20408, 81440), (25510, 65152), (32576, 51020), (40720, 40816)]