72681760

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1433}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 172372536

約数和(自身を除く): 99690776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 634, 1268, 1433, 1585, 2536, 2866, 3170, 5072, 5732, 6340, 7165, 10144, 11464, 12680, 14330, 22928, 25360, 28660, 45856, 50720, 57320, 114640, 229280, 454261, 908522, 1817044, 2271305, 3634088, 4542610, 7268176, 9085220, 14536352, 18170440, 36340880, 72681760]

約数ペア:

[(1, 72681760), (2, 36340880), (4, 18170440), (5, 14536352), (8, 9085220), (10, 7268176), (16, 4542610), (20, 3634088), (32, 2271305), (40, 1817044), (80, 908522), (160, 454261), (317, 229280), (634, 114640), (1268, 57320), (1433, 50720), (1585, 45856), (2536, 28660), (2866, 25360), (3170, 22928), (5072, 14330), (5732, 12680), (6340, 11464), (7165, 10144)]